What is the Greatest Common Factor of 7967 and 7980?

Greatest common factor (GCF) of 7967 and 7980 is 1.

GCF(7967,7980) = 1

We will now calculate the prime factors of 7967 and 7980, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7967 and 7980.

How to find the GCF of 7967 and 7980?

We will first find the prime factorization of 7967 and 7980. After we will calculate the factors of 7967 and 7980 and find the biggest common factor number .

Step-1: Prime Factorization of 7967

Prime factors of 7967 are 31, 257. Prime factorization of 7967 in exponential form is:

7967 = 31¹ × 257¹

Step-2: Prime Factorization of 7980

Prime factors of 7980 are 2, 3, 5, 7, 19. Prime factorization of 7980 in exponential form is:

7980 = 2² × 3¹ × 5¹ × 7¹ × 19¹

Step-3: Factors of 7967

List of positive integer factors of 7967 that divides 7967 without a remainder.

1, 31, 257

Step-4: Factors of 7980

List of positive integer factors of 7980 that divides 7967 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7967 and 7980. The biggest common factor number is the GCF number.
So the greatest common factor 7967 and 7980 is 1.

Also check out the Least Common Multiple of 7967 and 7980