What is the Greatest Common Factor of 65315 and 65320?

Greatest common factor (GCF) of 65315 and 65320 is 5.

GCF(65315,65320) = 5

We will now calculate the prime factors of 65315 and 65320, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65315 and 65320.

How to find the GCF of 65315 and 65320?

We will first find the prime factorization of 65315 and 65320. After we will calculate the factors of 65315 and 65320 and find the biggest common factor number .

Step-1: Prime Factorization of 65315

Prime factors of 65315 are 5, 13063. Prime factorization of 65315 in exponential form is:

65315 = 5¹ × 13063¹

Step-2: Prime Factorization of 65320

Prime factors of 65320 are 2, 5, 23, 71. Prime factorization of 65320 in exponential form is:

65320 = 2³ × 5¹ × 23¹ × 71¹

Step-3: Factors of 65315

List of positive integer factors of 65315 that divides 65315 without a remainder.

1, 5, 13063

Step-4: Factors of 65320

List of positive integer factors of 65320 that divides 65315 without a remainder.

1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 710, 920, 1420, 1633, 2840, 3266, 6532, 8165, 13064, 16330, 32660

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65315 and 65320. The biggest common factor number is the GCF number.
So the greatest common factor 65315 and 65320 is 5.

Also check out the Least Common Multiple of 65315 and 65320