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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

Dan found a two digit odd number one of its digits was half the other the number was greater than 50 what is the number?

Well, isn't that a happy little puzzle! Let's think about this together. Since the number is greater than 50 and has two digits, the only number that fits is 93. The digits are 9 and 3, with 3 being half of 9, and it's a lovely odd number!

What are the prime numbers between 25 and 40?

Oh, what a happy little question! Let's take a look at those numbers between 25 and 40. The prime numbers in that range are 29 and 31. They're like little gems shining brightly among the other numbers, each one unique and special in its own way. Just remember, every number has its place on the canvas of mathematics, and each one adds its own beauty to the masterpiece of numbers.

What is 44's prime factorization using exponents?

The prime factorization of 44 using exponents is 2^2 x 11. This means that 44 can be expressed as the product of 2 raised to the power of 2 (2^2) and 11. In other words, 44 = 2 x 2 x 11. This representation helps break down the number into its prime factors for easier analysis and computation.

What are the prime numbers between 20 and 30?

23 and 29 are the prime numbers between 20 and 30.

The two prime numbers between 20 and 30 are 23 and 29.
23, 29

All the prime numbers will be odd so you can immediately eliminate 22, 24, 26 and 28

21 = 3x7 so that 's not prime

25 = 5x5, so that's not prime

27 = 3x3x3 so that's not prime

What are numbers that are not prime called?

Numbers that are not prime are called composite numbers. A composite number is a positive integer greater than one that can be formed by multiplying two smaller positive integers. In other words, composite numbers have more than two factors, unlike prime numbers which only have two factors (1 and the number itself).

What are the prime numbers between 35 and 45?

The numbers 37, 41 and 43 are prime.
The prime numbers between 35 and 45 are 37, 41, and 43.

What is the HCF for 540 and 630?

Oh, dude, the Highest Common Factor (HCF) for 540 and 630 is 90. It's like the cool kid that both 540 and 630 can hang out with without any drama. So yeah, 90 is the HCF for those numbers, keeping things chill in the math world.

How many even numbers are in 5000?

Oh, dude, let me break it down for you. So, in 5000, you've got the numbers 0, 2, 4, 6, and 8, right? Those are the even numbers. So, technically, there are 5 even numbers in 5000. But hey, who's counting, right?

How do you express 105 x 294 as a product of prime factors?

To express 105 x 294 as a product of prime factors, first factorize both numbers individually.

105 = 3 x 5 x 7 294 = 2 x 3 x 7 x 7

Then multiply the prime factors together to get the prime factorization of the product:

105 x 294 = (3 x 5 x 7) x (2 x 3 x 7 x 7) = 2 x 3^2 x 5 x 7^2

What is the number between 1 and 25?

The number between 1 and 25 is 13. In a set of consecutive integers, the number that falls exactly in the middle is found by taking the average of the two outermost numbers. In this case, (1 + 25) / 2 = 13.

What is the prime numbers of 57?

57 = 3 x 19

Both '3' & '19' are Prime Numbers.

Which 2 prime numbers times to make 91?

Oh, dude, you're hitting me with some math here! So, like, the two prime numbers that multiply to make 91 are 7 and 13. Yeah, it's like a little math puzzle, but hey, I got your back on this one!

What 2 prime numbers add together to make 91?

Well, isn't that a happy little math question! The two prime numbers that add up to 91 are 89 and 2. Remember, prime numbers are like little gems in the mathematical world, shining brightly with their unique properties. Keep exploring and discovering the beauty of numbers, my friend!

Is 9 a prime number and a factor of 18?

No, 9 is not a prime number because it has factors other than 1 and itself. In this case, 9 is a factor of 18 because 9 multiplied by 2 equals 18. Prime numbers are numbers that have exactly two factors, 1 and the number itself, while factors are numbers that can be multiplied together to get the original number.

What is the product of the first prime number and the fifth prime number?

Well, darling, the first prime number is 2 and the fifth prime number is 11. Multiply those bad boys together and you get 22. So, the product of the first prime number and the fifth prime number is 22. Math doesn't have to be boring, honey!

What is the number that ends with t and has 5 letters?

The number that ends with "t" and has 5 letters is "forty." This is because it is spelled with five letters and ends with the letter "t." It is important to note that this answer is based on the English language and may vary in other languages.

Write 130 as the product of prime numbers?

You have to break it down to get to prime numbers, so here it is:
130
10 13
5 2
2 x 5 x 13

How do you write 240 as the product of prime numbers?

To write 240 as the product of prime numbers, you need to find its prime factorization. Start by dividing 240 by the smallest prime number, 2, to get 120. Then divide 120 by 2 to get 60, and continue this process until you cannot divide any further. The prime factorization of 240 is 2 x 2 x 2 x 2 x 3 x 5, or 2^4 x 3 x 5.

42 is 75 percent of what number?

To find the number that 42 is 75% of, you can set up a proportion. Let x represent the unknown number. The proportion would be: 42 = 0.75x. To solve for x, divide both sides by 0.75, giving you x = 42 / 0.75 = 56. Therefore, 42 is 75% of 56.

Prime number using 4 1 and 0?

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. In this case, using the digits 4, 1, and 0, the only possible combination is 41, which is a prime number because it is only divisible by 1 and 41 itself. Therefore, 41 is the prime number that can be formed using the digits 4, 1, and 0.