0
Factoring and Multiples
This category should include questions about greatest common factors and lowest common multiples.
63,380 Questions
Well, isn't that a happy little math problem! Let's see, to find what equals 114, you can add or subtract numbers until you reach that total. You could try 70 + 44, 120 - 6, or even 57 + 57. Just remember, there are many different ways to reach the same answer, so feel free to explore and have fun with it!
To find the highest common factor (HCF) of 20, 40, and 50, we first need to identify the factors of each number. The factors of 20 are 1, 2, 4, 5, 10, and 20; the factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40; and the factors of 50 are 1, 2, 5, 10, 25, and 50. The highest common factor among these three numbers is 10, as it is the largest number that divides all three numbers without leaving a remainder.
What is the hcf of 56 and 168 and 182?
Well, let's take a moment to appreciate the beauty of these numbers. To find the highest common factor (HCF) of 56, 168, and 182, we look for the largest number that can evenly divide all three numbers. By examining their factors, we find that the HCF of 56, 168, and 182 is 14. Just like painting, math can be a calming and rewarding experience when we take our time to appreciate each step.
What is the greatest common factor of 18 and 21?
The GCF of 18 and 21 is 3.
The prime factorization of 18 is 2*3*3
The prime factorization of 21 is 3*7
So the GCF of 18 and 21 is 3.
You can also notice that the difference between 21 and 18 is 3. The GCF can be no larger than the difference between the numbers. Since 3 is a factor of both 18 and 21, it is the GCF.
The GCF is 3.
3
What is the greatest common factor of 14 and 49?
The GCF of 14 and 49 is 7.
One way to determine the greatest common factor is to find all the factors of the numbers and compare them.
The factors of 14 are 1, 2, 7, and 14.
The factors of 49 are 1, 7, and 49.
Their common factors are 1 and 7. The largest of these is the greatest common factor, which is 7.
The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.
The prime factors of 14 are 2 and 7.
The prime factors of 49 are 7 and 7.
The prime factors they have in common are a single 7, so 7 is the greatest common factor.
The GCF is 7.
It is 7
It is 7.
Prime factor of 55 using exponents?
Sure thing, darling. The prime factorization of 55 is 5 x 11. If we want to use exponents, we can write it as 5^1 x 11^1. So there you have it, sweetie, prime factor of 55 using exponents in a nutshell.
What is he highest common factor of 55 and 155?
To find the highest common factor (HCF) of 55 and 155, we first need to list the factors of each number. The factors of 55 are 1, 5, 11, and 55. The factors of 155 are 1, 5, 31, and 155. The highest common factor is the largest number that both lists share, which in this case is 5. Therefore, the highest common factor of 55 and 155 is 5.
What is the greatest common factor of 30 42 and 54?
Well, isn't that just a happy little math question! To find the greatest common factor of 30, 42, and 54, we first look for the factors of each number. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. Lastly, the factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54. The greatest common factor among these numbers is 6, like a little hidden treasure waiting to be discovered!
The numbers 90 and 160 are both multiples of 10, as they end in 0. They are also both divisible by 2, as they are even numbers. Additionally, they can both be divided by 5, as the last digit is 0. Finally, they are both factors of themselves, as any number is a factor of itself.
To find the least common multiple (LCM) of 45, 50, and 60, we first need to find the prime factorization of each number.
45 = 3 x 3 x 5 50 = 2 x 5 x 5 60 = 2 x 2 x 3 x 5
Then, we take the highest power of each prime factor that appears in any of the factorizations. So, LCM(45, 50, 60) = 2^2 x 3^2 x 5^2 = 900.
Therefore, the LCM of 45, 50, and 60 is 900.
In Factorising What is the answer to 35a plus 10?
To factorize the expression 35a + 10, we first need to find the greatest common factor of the two terms. In this case, the greatest common factor is 5. Therefore, we can factor out 5 from both terms to get 5(7a + 2) as the final answer.
A factor is a number that divides another number without leaving a remainder. In this case, the factor of 0.9 is limited to 1 and 0.9 itself. Since 0.9 is a decimal number, it does not have other whole number factors.
If going up to 12 times, then 56 is in the 7 times and 8 times tables.
What is the greatest common factor of 21 49 and 63?
To find the greatest common factor (GCF) of 21, 49, and 63, we first need to find the prime factorization of each number. The prime factorization of 21 is 3 x 7, 49 is 7 x 7, and 63 is 3 x 3 x 7. The GCF is the product of the common prime factors raised to the lowest power they appear in all the numbers, which in this case is 7. Therefore, the GCF of 21, 49, and 63 is 7.
What is softness factor of diode?
it relates to reverse recovery charge, Qrr during switch off of diode.
The reverse current has to phases. 1st it reaches to max reverse recovery value , Irrm (in opposite direction of forward current), 2nd it finally reaches to zero.
Softness factor,S is the ratio of the time is needed in phase 2, t2 to the time needed in phase 1 t1, S= t2/t1
203 is not divisible by 2 because it is an odd number. It is not divisible by 3 because the sum of its digits (2+0+3 = 5) is not divisible by 3. It is not divisible by 5 because it does not end in 0 or 5. It is not divisible by 7 or 11 either. Therefore, 203 is not divisible by any of the common prime numbers.
What is the greatest common factor of 42 and 65?
One way to determine the greatest common factor is to find all the factors of the numbers and compare them.
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.
The factors of 65 are 1, 5, 13, and 65.
The only common factor is 1. Therefore, the greatest common factor is 1; the numbers are relatively prime.
The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.
The prime factors of 42 are 2, 3, and 7.
The prime factors of 65 are 5 and 13.
There are no prime factors in common, so the numbers are relatively prime, meaning th greatest common factor is 1. Factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42
Factors of 65 are 1, 5, 13, and 65
The GCF is 1.
Do numbers with 6 as a factor also have 3 as a factor?
Oh, what a lovely question! When a number has 6 as a factor, it means it can be divided evenly by 6. If a number can be divided by 6, it must also be divisible by 3 because 6 is made up of 3 multiplied by 2. So, yes, numbers with 6 as a factor will also have 3 as a factor. Just like adding happy little trees to a painting, numbers and their factors work together in harmony.
What times what number equals 147?
Oh, dude, you're hitting me with some math now? Like, okay, let's break it down. So, 1 times 147 equals 147, and 147 times 1 also equals 147. So, technically, the answer is 1 and 147, but like, you already knew that, right?
What are all the factor pairs of 49?
Oh, dude, factor pairs of 49? Like, let me think... okay, so we've got 1 and 49, and also 7 and 7. That's it. Easy peasy lemon squeezy.
