What is the Greatest Common Factor of 63916 and 63920?

Greatest common factor (GCF) of 63916 and 63920 is 4.

GCF(63916,63920) = 4

We will now calculate the prime factors of 63916 and 63920, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63916 and 63920.

How to find the GCF of 63916 and 63920?

We will first find the prime factorization of 63916 and 63920. After we will calculate the factors of 63916 and 63920 and find the biggest common factor number .

Step-1: Prime Factorization of 63916

Prime factors of 63916 are 2, 19, 29. Prime factorization of 63916 in exponential form is:

63916 = 2² × 19¹ × 29²

Step-2: Prime Factorization of 63920

Prime factors of 63920 are 2, 5, 17, 47. Prime factorization of 63920 in exponential form is:

63920 = 2⁴ × 5¹ × 17¹ × 47¹

Step-3: Factors of 63916

List of positive integer factors of 63916 that divides 63916 without a remainder.

1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 841, 1102, 1682, 2204, 3364, 15979, 31958

Step-4: Factors of 63920

List of positive integer factors of 63920 that divides 63916 without a remainder.

1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 3196, 3760, 3995, 6392, 7990, 12784, 15980, 31960

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63916 and 63920. The biggest common factor number is the GCF number.
So the greatest common factor 63916 and 63920 is 4.

Also check out the Least Common Multiple of 63916 and 63920