What is the Greatest Common Factor of 57309 and 57316?

Greatest common factor (GCF) of 57309 and 57316 is 7.

GCF(57309,57316) = 7

We will now calculate the prime factors of 57309 and 57316, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57309 and 57316.

How to find the GCF of 57309 and 57316?

We will first find the prime factorization of 57309 and 57316. After we will calculate the factors of 57309 and 57316 and find the biggest common factor number .

Step-1: Prime Factorization of 57309

Prime factors of 57309 are 3, 7, 2729. Prime factorization of 57309 in exponential form is:

57309 = 3¹ × 7¹ × 2729¹

Step-2: Prime Factorization of 57316

Prime factors of 57316 are 2, 7, 23, 89. Prime factorization of 57316 in exponential form is:

57316 = 2² × 7¹ × 23¹ × 89¹

Step-3: Factors of 57309

List of positive integer factors of 57309 that divides 57309 without a remainder.

1, 3, 7, 21, 2729, 8187, 19103

Step-4: Factors of 57316

List of positive integer factors of 57316 that divides 57309 without a remainder.

1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 623, 644, 1246, 2047, 2492, 4094, 8188, 14329, 28658

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57309 and 57316. The biggest common factor number is the GCF number.
So the greatest common factor 57309 and 57316 is 7.

Also check out the Least Common Multiple of 57309 and 57316