What is the Greatest Common Factor of 63980 and 63992?

Greatest common factor (GCF) of 63980 and 63992 is 4.

GCF(63980,63992) = 4

We will now calculate the prime factors of 63980 and 63992, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63980 and 63992.

How to find the GCF of 63980 and 63992?

We will first find the prime factorization of 63980 and 63992. After we will calculate the factors of 63980 and 63992 and find the biggest common factor number .

Step-1: Prime Factorization of 63980

Prime factors of 63980 are 2, 5, 7, 457. Prime factorization of 63980 in exponential form is:

63980 = 2² × 5¹ × 7¹ × 457¹

Step-2: Prime Factorization of 63992

Prime factors of 63992 are 2, 19, 421. Prime factorization of 63992 in exponential form is:

63992 = 2³ × 19¹ × 421¹

Step-3: Factors of 63980

List of positive integer factors of 63980 that divides 63980 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 914, 1828, 2285, 3199, 4570, 6398, 9140, 12796, 15995, 31990

Step-4: Factors of 63992

List of positive integer factors of 63992 that divides 63980 without a remainder.

1, 2, 4, 8, 19, 38, 76, 152, 421, 842, 1684, 3368, 7999, 15998, 31996

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63980 and 63992. The biggest common factor number is the GCF number.
So the greatest common factor 63980 and 63992 is 4.

Also check out the Least Common Multiple of 63980 and 63992