What is the Greatest Common Factor of 65220 and 65238?

Greatest common factor (GCF) of 65220 and 65238 is 6.

GCF(65220,65238) = 6

We will now calculate the prime factors of 65220 and 65238, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65220 and 65238.

How to find the GCF of 65220 and 65238?

We will first find the prime factorization of 65220 and 65238. After we will calculate the factors of 65220 and 65238 and find the biggest common factor number .

Step-1: Prime Factorization of 65220

Prime factors of 65220 are 2, 3, 5, 1087. Prime factorization of 65220 in exponential form is:

65220 = 2² × 3¹ × 5¹ × 1087¹

Step-2: Prime Factorization of 65238

Prime factors of 65238 are 2, 3, 83, 131. Prime factorization of 65238 in exponential form is:

65238 = 2¹ × 3¹ × 83¹ × 131¹

Step-3: Factors of 65220

List of positive integer factors of 65220 that divides 65220 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1087, 2174, 3261, 4348, 5435, 6522, 10870, 13044, 16305, 21740, 32610

Step-4: Factors of 65238

List of positive integer factors of 65238 that divides 65220 without a remainder.

1, 2, 3, 6, 83, 131, 166, 249, 262, 393, 498, 786, 10873, 21746, 32619

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65220 and 65238. The biggest common factor number is the GCF number.
So the greatest common factor 65220 and 65238 is 6.

Also check out the Least Common Multiple of 65220 and 65238