What is the Greatest Common Factor of 63520 and 63540?

Greatest common factor (GCF) of 63520 and 63540 is 20.

GCF(63520,63540) = 20

We will now calculate the prime factors of 63520 and 63540, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63520 and 63540.

How to find the GCF of 63520 and 63540?

We will first find the prime factorization of 63520 and 63540. After we will calculate the factors of 63520 and 63540 and find the biggest common factor number .

Step-1: Prime Factorization of 63520

Prime factors of 63520 are 2, 5, 397. Prime factorization of 63520 in exponential form is:

63520 = 2⁵ × 5¹ × 397¹

Step-2: Prime Factorization of 63540

Prime factors of 63540 are 2, 3, 5, 353. Prime factorization of 63540 in exponential form is:

63540 = 2² × 3² × 5¹ × 353¹

Step-3: Factors of 63520

List of positive integer factors of 63520 that divides 63520 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 12704, 15880, 31760

Step-4: Factors of 63540

List of positive integer factors of 63540 that divides 63520 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 353, 706, 1059, 1412, 1765, 2118, 3177, 3530, 4236, 5295, 6354, 7060, 10590, 12708, 15885, 21180, 31770

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63520 and 63540. The biggest common factor number is the GCF number.
So the greatest common factor 63520 and 63540 is 20.

Also check out the Least Common Multiple of 63520 and 63540