What is the Greatest Common Factor of 7919 and 7938?

Greatest common factor (GCF) of 7919 and 7938 is 1.

GCF(7919,7938) = 1

We will now calculate the prime factors of 7919 and 7938, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7919 and 7938.

How to find the GCF of 7919 and 7938?

We will first find the prime factorization of 7919 and 7938. After we will calculate the factors of 7919 and 7938 and find the biggest common factor number .

Step-1: Prime Factorization of 7919

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

7919 = 7919¹

Step-2: Prime Factorization of 7938

Prime factors of 7938 are 2, 3, 7. Prime factorization of 7938 in exponential form is:

7938 = 2¹ × 3⁴ × 7²

Step-3: Factors of 7919

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

Step-4: Factors of 7938

List of positive integer factors of 7938 that divides 7919 without a remainder.

1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7919 and 7938. The biggest common factor number is the GCF number.
So the greatest common factor 7919 and 7938 is 1.

Also check out the Least Common Multiple of 7919 and 7938