What is the Greatest Common Factor of 68157 and 68166?

Greatest common factor (GCF) of 68157 and 68166 is 9.

GCF(68157,68166) = 9

We will now calculate the prime factors of 68157 and 68166, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68157 and 68166.

How to find the GCF of 68157 and 68166?

We will first find the prime factorization of 68157 and 68166. After we will calculate the factors of 68157 and 68166 and find the biggest common factor number .

Step-1: Prime Factorization of 68157

Prime factors of 68157 are 3, 7573. Prime factorization of 68157 in exponential form is:

68157 = 3² × 7573¹

Step-2: Prime Factorization of 68166

Prime factors of 68166 are 2, 3, 7, 541. Prime factorization of 68166 in exponential form is:

68166 = 2¹ × 3² × 7¹ × 541¹

Step-3: Factors of 68157

List of positive integer factors of 68157 that divides 68157 without a remainder.

1, 3, 9, 7573, 22719

Step-4: Factors of 68166

List of positive integer factors of 68166 that divides 68157 without a remainder.

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 541, 1082, 1623, 3246, 3787, 4869, 7574, 9738, 11361, 22722, 34083

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68157 and 68166. The biggest common factor number is the GCF number.
So the greatest common factor 68157 and 68166 is 9.

Also check out the Least Common Multiple of 68157 and 68166