What is the Greatest Common Factor of 65980 and 65995?

Greatest common factor (GCF) of 65980 and 65995 is 5.

GCF(65980,65995) = 5

We will now calculate the prime factors of 65980 and 65995, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65980 and 65995.

How to find the GCF of 65980 and 65995?

We will first find the prime factorization of 65980 and 65995. After we will calculate the factors of 65980 and 65995 and find the biggest common factor number .

Step-1: Prime Factorization of 65980

Prime factors of 65980 are 2, 5, 3299. Prime factorization of 65980 in exponential form is:

65980 = 2² × 5¹ × 3299¹

Step-2: Prime Factorization of 65995

Prime factors of 65995 are 5, 67, 197. Prime factorization of 65995 in exponential form is:

65995 = 5¹ × 67¹ × 197¹

Step-3: Factors of 65980

List of positive integer factors of 65980 that divides 65980 without a remainder.

1, 2, 4, 5, 10, 20, 3299, 6598, 13196, 16495, 32990

Step-4: Factors of 65995

List of positive integer factors of 65995 that divides 65980 without a remainder.

1, 5, 67, 197, 335, 985, 13199

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65980 and 65995. The biggest common factor number is the GCF number.
So the greatest common factor 65980 and 65995 is 5.

Also check out the Least Common Multiple of 65980 and 65995