What is the Greatest Common Factor of 7900 and 7919?

Greatest common factor (GCF) of 7900 and 7919 is 1.

GCF(7900,7919) = 1

We will now calculate the prime factors of 7900 and 7919, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7900 and 7919.

How to find the GCF of 7900 and 7919?

We will first find the prime factorization of 7900 and 7919. After we will calculate the factors of 7900 and 7919 and find the biggest common factor number .

Step-1: Prime Factorization of 7900

Prime factors of 7900 are 2, 5, 79. Prime factorization of 7900 in exponential form is:

7900 = 2² × 5² × 79¹

Step-2: Prime Factorization of 7919

Prime factors of 7919 are 7919. Prime factorization of 7919 in exponential form is:

7919 = 7919¹

Step-3: Factors of 7900

List of positive integer factors of 7900 that divides 7900 without a remainder.

1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950

Step-4: Factors of 7919

List of positive integer factors of 7919 that divides 7900 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7900 and 7919. The biggest common factor number is the GCF number.
So the greatest common factor 7900 and 7919 is 1.

Also check out the Least Common Multiple of 7900 and 7919