What is the Greatest Common Factor of 7921 and 7930?

Greatest common factor (GCF) of 7921 and 7930 is 1.

GCF(7921,7930) = 1

We will now calculate the prime factors of 7921 and 7930, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7921 and 7930.

How to find the GCF of 7921 and 7930?

We will first find the prime factorization of 7921 and 7930. After we will calculate the factors of 7921 and 7930 and find the biggest common factor number .

Step-1: Prime Factorization of 7921

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

7921 = 89²

Step-2: Prime Factorization of 7930

Prime factors of 7930 are 2, 5, 13, 61. Prime factorization of 7930 in exponential form is:

7930 = 2¹ × 5¹ × 13¹ × 61¹

Step-3: Factors of 7921

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

1, 89

Step-4: Factors of 7930

List of positive integer factors of 7930 that divides 7921 without a remainder.

1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7921 and 7930. The biggest common factor number is the GCF number.
So the greatest common factor 7921 and 7930 is 1.

Also check out the Least Common Multiple of 7921 and 7930