What is the Greatest Common Factor of 87157 and 87171?

Greatest common factor (GCF) of 87157 and 87171 is 7.

GCF(87157,87171) = 7

We will now calculate the prime factors of 87157 and 87171, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87157 and 87171.

How to find the GCF of 87157 and 87171?

We will first find the prime factorization of 87157 and 87171. After we will calculate the factors of 87157 and 87171 and find the biggest common factor number .

Step-1: Prime Factorization of 87157

Prime factors of 87157 are 7, 12451. Prime factorization of 87157 in exponential form is:

87157 = 7¹ × 12451¹

Step-2: Prime Factorization of 87171

Prime factors of 87171 are 3, 7, 593. Prime factorization of 87171 in exponential form is:

87171 = 3¹ × 7² × 593¹

Step-3: Factors of 87157

List of positive integer factors of 87157 that divides 87157 without a remainder.

1, 7, 12451

Step-4: Factors of 87171

List of positive integer factors of 87171 that divides 87157 without a remainder.

1, 3, 7, 21, 49, 147, 593, 1779, 4151, 12453, 29057

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87157 and 87171. The biggest common factor number is the GCF number.
So the greatest common factor 87157 and 87171 is 7.

Also check out the Least Common Multiple of 87157 and 87171