What is the Greatest Common Factor of 7940 and 7951?

Greatest common factor (GCF) of 7940 and 7951 is 1.

GCF(7940,7951) = 1

We will now calculate the prime factors of 7940 and 7951, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7940 and 7951.

How to find the GCF of 7940 and 7951?

We will first find the prime factorization of 7940 and 7951. After we will calculate the factors of 7940 and 7951 and find the biggest common factor number .

Step-1: Prime Factorization of 7940

Prime factors of 7940 are 2, 5, 397. Prime factorization of 7940 in exponential form is:

7940 = 2² × 5¹ × 397¹

Step-2: Prime Factorization of 7951

Prime factors of 7951 are 7951. Prime factorization of 7951 in exponential form is:

7951 = 7951¹

Step-3: Factors of 7940

List of positive integer factors of 7940 that divides 7940 without a remainder.

1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970

Step-4: Factors of 7951

List of positive integer factors of 7951 that divides 7940 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7940 and 7951. The biggest common factor number is the GCF number.
So the greatest common factor 7940 and 7951 is 1.

Also check out the Least Common Multiple of 7940 and 7951