What is the Greatest Common Factor of 7886 and 7902?

Greatest common factor (GCF) of 7886 and 7902 is 2.

GCF(7886,7902) = 2

We will now calculate the prime factors of 7886 and 7902, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7886 and 7902.

How to find the GCF of 7886 and 7902?

We will first find the prime factorization of 7886 and 7902. After we will calculate the factors of 7886 and 7902 and find the biggest common factor number .

Step-1: Prime Factorization of 7886

Prime factors of 7886 are 2, 3943. Prime factorization of 7886 in exponential form is:

7886 = 2¹ × 3943¹

Step-2: Prime Factorization of 7902

Prime factors of 7902 are 2, 3, 439. Prime factorization of 7902 in exponential form is:

7902 = 2¹ × 3² × 439¹

Step-3: Factors of 7886

List of positive integer factors of 7886 that divides 7886 without a remainder.

1, 2, 3943

Step-4: Factors of 7902

List of positive integer factors of 7902 that divides 7886 without a remainder.

1, 2, 3, 6, 9, 18, 439, 878, 1317, 2634, 3951

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7886 and 7902. The biggest common factor number is the GCF number.
So the greatest common factor 7886 and 7902 is 2.

Also check out the Least Common Multiple of 7886 and 7902