What is the Greatest Common Factor of 6342 and 6351?

Greatest common factor (GCF) of 6342 and 6351 is 3.

GCF(6342,6351) = 3

We will now calculate the prime factors of 6342 and 6351, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6342 and 6351.

How to find the GCF of 6342 and 6351?

We will first find the prime factorization of 6342 and 6351. After we will calculate the factors of 6342 and 6351 and find the biggest common factor number .

Step-1: Prime Factorization of 6342

Prime factors of 6342 are 2, 3, 7, 151. Prime factorization of 6342 in exponential form is:

6342 = 2¹ × 3¹ × 7¹ × 151¹

Step-2: Prime Factorization of 6351

Prime factors of 6351 are 3, 29, 73. Prime factorization of 6351 in exponential form is:

6351 = 3¹ × 29¹ × 73¹

Step-3: Factors of 6342

List of positive integer factors of 6342 that divides 6342 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 151, 302, 453, 906, 1057, 2114, 3171

Step-4: Factors of 6351

List of positive integer factors of 6351 that divides 6342 without a remainder.

1, 3, 29, 73, 87, 219, 2117

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6342 and 6351. The biggest common factor number is the GCF number.
So the greatest common factor 6342 and 6351 is 3.

Also check out the Least Common Multiple of 6342 and 6351