To calculate the GCF of 40 and 50, we need to factor each number (factors of 40 = 1, 2, 4, 5, 8, 10, 20, 40; factors of 50 = 1, 2, 5, 10, 25, 50) and choose the greatest factor that exactly divides both 40 and 50, i.e., 10.
What are the common factors of 50 and 120?
The Greatest Common Factor (GCF) for 50 and 120, notation CGF(50,120), is 10. Explanation: The factors of 50 are 1,2,5,10,25,50; The factors of 120 are 1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120.
What is the greatest factor for 20 40?
GCF of 20 and 40 by Prime Factorization As visible, 20 and 40 have common prime factors. Hence, the GCF of 20 and 40 is 2 × 2 × 5 = 20.
Which is the greatest factor of 20 and 40?
For 20 and 40 those factors look like this: Factors for 20: 1, 2, 4, 5, 10, and 20 Factors for 40: 1, 2, 4, 5, 8, 10, 20, and 40 As you can see when you list out the factors of each number, 20 is the greatest number that 20 and 40 divides into.
Which is the greatest common factor 50 or 120?
The prime factorization of 50 is 2 x 5 x 5 = 50. The prime factorization of 120 is 2 x 2 x 2 x 3 x 5 = 120. The occurrences of common prime factors of 20, 50 and 120 are 2 and 5. So the greatest common factor of 20, 50 and 120 is 2 x 5 = 10.
How to find the factors of a number 120?
As 120 is a composite number, it has more than two factors. The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60 and 120. We can find the pair factors of a number 120, by multiplying two numbers in a pair to get the original number. The pair factors of 120 can be positive or negative.
Which is the prime factorization of 20 and 50?
The prime factorization of 20 is 2 x 2 x 5 = 20. The prime factorization of 50 is 2 x 5 x 5 = 50. The prime factorization of 120 is 2 x 2 x 2 x 3 x 5 = 120. The occurrences of common prime factors of 20, 50 and 120 are 2 and 5.
