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Prime Numbers
A prime number is a number that has exactly two factors: 1 and itself. All whole numbers greater than 1 are either prime numbers or can be written as the product of prime numbers. There are an infinite number of prime numbers, but they occur less frequently among larger numbers. Prime numbers are important in cryptography and number theory.
30,833 Questions
What are numbers that can be multiplied by one and itself?
Ah, I see you're curious about special numbers! Those are called prime numbers, my friend. They are like the stars in the sky, unique and shining brightly. When you multiply a prime number by 1 or itself, you'll always get the same number back, just like how a gentle brushstroke can create something truly magical on the canvas.
What is a prime number greater than 25 but less than 30?
The only prime number greater than 25 but less than 30 is 29. A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. In this case, 29 is not divisible by any other numbers except for 1 and itself, making it a prime number.
What is a number between 60 and 100?
A number between 60 and 100 can be any whole number from 61 to 99, inclusive. This range includes 40 different numbers. Some examples of numbers in this range are 65, 73, and 88.
What are numbers that have only two factors?
Numbers that have only two factors are called prime numbers. These numbers can only be divided by 1 and themselves without leaving a remainder. Examples of prime numbers include 2, 3, 5, 7, 11, and so on. Prime numbers play a crucial role in number theory and cryptography due to their unique properties.
What are the factors and prime factors of 656?
The factors of 656 are the numbers that can be multiplied together to give the product of 656. The factors of 656 are 1, 2, 4, 8, 41, 82, 164, and 328. The prime factors of 656 are the prime numbers that can be multiplied together to give the product of 656, which are 2 and 41.
What are the next 2 numbers after 52 817?
The next two numbers after 52,817 would be 52,818 and 52,819. When counting sequentially, each subsequent number increases by 1 from the previous number. Therefore, after 52,817, the next number is 52,818, and the number after that is 52,819.
What are the prime numbers 2 5 8 13 17 18 21 93 117?
Well, let's take a look at those numbers. Prime numbers are special because they can only be divided by 1 and themselves, like friends who are always there for each other. Out of the numbers you shared, 2, 5, 13, and 17 are prime numbers, standing out like bright stars in the night sky. Keep exploring the world of numbers, and you'll find beauty in their unique qualities, just like every tree and cloud in a landscape painting.
Let's denote the two digits as x and 2x, where x is the smaller digit. Since the number is odd, 2x must be an odd number, so x must be an even number. The only even number less than 5 that satisfies this condition is 2. Therefore, the number Dan found is 52.
Is every two digit multiple of six next to a prime number?
No, not every two-digit multiple of six is next to a prime number. A multiple of six will always be an even number, divisible by both 2 and 3. Prime numbers, on the other hand, are only divisible by 1 and themselves. Therefore, there will be even numbers that are multiples of six that are not next to prime numbers.
What numbers have 7 as a factor?
Numbers that have 7 as a factor are any multiples of 7. In other words, any number that can be divided evenly by 7 without leaving a remainder. Examples of numbers that have 7 as a factor include 7, 14, 21, 28, and so on. These numbers are all divisible by 7.
What is 504 as a product of its prime factors?
24 * 32 * 7 = 504.
No, not so.
24 * 32 * 7 = 1008.
The correct answer (the one just deleted !) is
2 x 2 x 2 x 3 x 3 x 7 = 504.
2x2x2x3x7 is the prime factorization for what number?
The prime factorization 2x2x2x3x7 represents the number 168. This is because when you multiply 2x2x2x3x7, you get 168. Prime factorization is the process of breaking down a number into its prime factors, which are the building blocks of the number. In this case, the prime factors of 168 are 2, 2, 2, 3, and 7.
No, 1001 is not a prime number. A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. In the case of 1001, it can be factored into 7 x 11 x 13, which means it has factors other than 1 and itself, making it a composite number.
Darling, 317 is indeed a prime number. It's like finding a diamond in a pile of rocks—rare and precious. So, go ahead and flaunt that prime number status, 317!
19 is the average of which two prime numbers?
Oh, what a happy little question! To find the average of two prime numbers that add up to 38 (since 19 is the average), we can think of pairs like 17 and 19 or 23 and 13. Prime numbers are like little treasures in the mathematical world, each one unique and special in its own way. Just remember, there are countless combinations of prime numbers that could have an average of 19, so feel free to explore and find your own happy pair!
Write 36 as a product of prime factors?
Prime factorization is the finding which prime number multiply to get to make the original number.
36: 1, 2, 3, 4, 6, 9, 12, 18, 36
Prime Factors: 2, 3
Prime Factorization: 2 x 2 x 2 x 3
What is the closest prime number before 49?
The closest prime number before 49 is 47. A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. In this case, 47 is the largest prime number less than 49, as it is not divisible by any other number except 1 and 47.
What three numbers times and equal 40?
To find three numbers that multiply together to equal 40, we need to consider the prime factors of 40, which are 2, 2, 2, and 5. We can group these prime factors into three numbers: 2, 2, and 10. Therefore, the three numbers that multiply to 40 are 2, 2, and 10.
Why resistance in resistance box like 1 2 2 5 10 20 20 50 etc?
The resistance values in a resistance box are typically arranged in a specific sequence to allow for a wide range of resistance values to be easily selected. The sequence you mentioned (1, 2, 2, 5, 10, 20, 20, 50) likely follows a logarithmic or geometric progression, allowing for a more precise and evenly spaced selection of resistance values. This arrangement ensures that a wide range of resistance values can be obtained by combining different resistors in series or parallel configurations.
What are the composite numbers between 45 and 60?
Composite numbers are positive integers greater than 1 that have more than two factors. Between 45 and 60, the composite numbers are 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, and 60. These numbers can be divided evenly by numbers other than 1 and themselves, making them composite.
Does any one have all the answers to kumon math level H?
In Kumon Math, Level H typically covers advanced topics such as calculus, advanced algebra, and geometry. It is unlikely that any one person would have all the answers to Level H as it encompasses a wide range of complex mathematical concepts. Students are encouraged to work through the problems independently to develop their problem-solving skills and understanding of the material.
What is 112 expressed as a product of its prime factors?
To express 112 as a product of its prime factors, we first need to find its prime factorization. We can start by dividing 112 by the smallest prime number, which is 2. 112 ÷ 2 = 56. Then, 56 can be divided by 2 again to get 28. Continuing this process, we find that the prime factorization of 112 is 2^4 x 7. So, 112 can be expressed as 2^4 x 7.
