What is the Greatest Common Factor of 7902 and 7921?

Greatest common factor (GCF) of 7902 and 7921 is 1.

GCF(7902,7921) = 1

We will now calculate the prime factors of 7902 and 7921, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7902 and 7921.

How to find the GCF of 7902 and 7921?

We will first find the prime factorization of 7902 and 7921. After we will calculate the factors of 7902 and 7921 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 7921

Prime factors of 7921 are 89. Prime factorization of 7921 in exponential form is:

7921 = 89²

Step-3: Factors of 7902

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

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

Step-4: Factors of 7921

List of positive integer factors of 7921 that divides 7902 without a remainder.

1, 89

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7902 and 7921. The biggest common factor number is the GCF number.
So the greatest common factor 7902 and 7921 is 1.

Also check out the Least Common Multiple of 7902 and 7921