What is the Greatest Common Factor of 63615 and 63620?

Greatest common factor (GCF) of 63615 and 63620 is 5.

GCF(63615,63620) = 5

We will now calculate the prime factors of 63615 and 63620, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63615 and 63620.

How to find the GCF of 63615 and 63620?

We will first find the prime factorization of 63615 and 63620. After we will calculate the factors of 63615 and 63620 and find the biggest common factor number .

Step-1: Prime Factorization of 63615

Prime factors of 63615 are 3, 5, 4241. Prime factorization of 63615 in exponential form is:

63615 = 3¹ × 5¹ × 4241¹

Step-2: Prime Factorization of 63620

Prime factors of 63620 are 2, 5, 3181. Prime factorization of 63620 in exponential form is:

63620 = 2² × 5¹ × 3181¹

Step-3: Factors of 63615

List of positive integer factors of 63615 that divides 63615 without a remainder.

1, 3, 5, 15, 4241, 12723, 21205

Step-4: Factors of 63620

List of positive integer factors of 63620 that divides 63615 without a remainder.

1, 2, 4, 5, 10, 20, 3181, 6362, 12724, 15905, 31810

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63615 and 63620. The biggest common factor number is the GCF number.
So the greatest common factor 63615 and 63620 is 5.

Also check out the Least Common Multiple of 63615 and 63620