What is the Greatest Common Factor of 39142 and 39156?

Greatest common factor (GCF) of 39142 and 39156 is 2.

GCF(39142,39156) = 2

We will now calculate the prime factors of 39142 and 39156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39142 and 39156.

How to find the GCF of 39142 and 39156?

We will first find the prime factorization of 39142 and 39156. After we will calculate the factors of 39142 and 39156 and find the biggest common factor number .

Step-1: Prime Factorization of 39142

Prime factors of 39142 are 2, 19571. Prime factorization of 39142 in exponential form is:

39142 = 2¹ × 19571¹

Step-2: Prime Factorization of 39156

Prime factors of 39156 are 2, 3, 13, 251. Prime factorization of 39156 in exponential form is:

39156 = 2² × 3¹ × 13¹ × 251¹

Step-3: Factors of 39142

List of positive integer factors of 39142 that divides 39142 without a remainder.

1, 2, 19571

Step-4: Factors of 39156

List of positive integer factors of 39156 that divides 39142 without a remainder.

1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 251, 502, 753, 1004, 1506, 3012, 3263, 6526, 9789, 13052, 19578

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39142 and 39156. The biggest common factor number is the GCF number.
So the greatest common factor 39142 and 39156 is 2.

Also check out the Least Common Multiple of 39142 and 39156