What is the Greatest Common Factor of 63955 and 63970?

Greatest common factor (GCF) of 63955 and 63970 is 5.

GCF(63955,63970) = 5

We will now calculate the prime factors of 63955 and 63970, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63955 and 63970.

How to find the GCF of 63955 and 63970?

We will first find the prime factorization of 63955 and 63970. After we will calculate the factors of 63955 and 63970 and find the biggest common factor number .

Step-1: Prime Factorization of 63955

Prime factors of 63955 are 5, 12791. Prime factorization of 63955 in exponential form is:

63955 = 5¹ × 12791¹

Step-2: Prime Factorization of 63970

Prime factors of 63970 are 2, 5, 6397. Prime factorization of 63970 in exponential form is:

63970 = 2¹ × 5¹ × 6397¹

Step-3: Factors of 63955

List of positive integer factors of 63955 that divides 63955 without a remainder.

1, 5, 12791

Step-4: Factors of 63970

List of positive integer factors of 63970 that divides 63955 without a remainder.

1, 2, 5, 10, 6397, 12794, 31985

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63955 and 63970. The biggest common factor number is the GCF number.
So the greatest common factor 63955 and 63970 is 5.

Also check out the Least Common Multiple of 63955 and 63970