What is the Greatest Common Factor of 63940 and 63950?

Greatest common factor (GCF) of 63940 and 63950 is 10.

GCF(63940,63950) = 10

We will now calculate the prime factors of 63940 and 63950, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63940 and 63950.

How to find the GCF of 63940 and 63950?

We will first find the prime factorization of 63940 and 63950. After we will calculate the factors of 63940 and 63950 and find the biggest common factor number .

Step-1: Prime Factorization of 63940

Prime factors of 63940 are 2, 5, 23, 139. Prime factorization of 63940 in exponential form is:

63940 = 2² × 5¹ × 23¹ × 139¹

Step-2: Prime Factorization of 63950

Prime factors of 63950 are 2, 5, 1279. Prime factorization of 63950 in exponential form is:

63950 = 2¹ × 5² × 1279¹

Step-3: Factors of 63940

List of positive integer factors of 63940 that divides 63940 without a remainder.

1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 6394, 12788, 15985, 31970

Step-4: Factors of 63950

List of positive integer factors of 63950 that divides 63940 without a remainder.

1, 2, 5, 10, 25, 50, 1279, 2558, 6395, 12790, 31975

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63940 and 63950. The biggest common factor number is the GCF number.
So the greatest common factor 63940 and 63950 is 10.

Also check out the Least Common Multiple of 63940 and 63950