What is the Greatest Common Factor of 80975 and 80980?

Greatest common factor (GCF) of 80975 and 80980 is 5.

GCF(80975,80980) = 5

We will now calculate the prime factors of 80975 and 80980, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80975 and 80980.

How to find the GCF of 80975 and 80980?

We will first find the prime factorization of 80975 and 80980. After we will calculate the factors of 80975 and 80980 and find the biggest common factor number .

Step-1: Prime Factorization of 80975

Prime factors of 80975 are 5, 41, 79. Prime factorization of 80975 in exponential form is:

80975 = 5² × 41¹ × 79¹

Step-2: Prime Factorization of 80980

Prime factors of 80980 are 2, 5, 4049. Prime factorization of 80980 in exponential form is:

80980 = 2² × 5¹ × 4049¹

Step-3: Factors of 80975

List of positive integer factors of 80975 that divides 80975 without a remainder.

1, 5, 25, 41, 79, 205, 395, 1025, 1975, 3239, 16195

Step-4: Factors of 80980

List of positive integer factors of 80980 that divides 80975 without a remainder.

1, 2, 4, 5, 10, 20, 4049, 8098, 16196, 20245, 40490

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80975 and 80980. The biggest common factor number is the GCF number.
So the greatest common factor 80975 and 80980 is 5.

Also check out the Least Common Multiple of 80975 and 80980