What is the Greatest Common Factor of 371 and 380?

Greatest common factor (GCF) of 371 and 380 is 1.

GCF(371,380) = 1

We will now calculate the prime factors of 371 and 380, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 371 and 380.

How to find the GCF of 371 and 380?

We will first find the prime factorization of 371 and 380. After we will calculate the factors of 371 and 380 and find the biggest common factor number .

Step-1: Prime Factorization of 371

Prime factors of 371 are 7, 53. Prime factorization of 371 in exponential form is:

371 = 7¹ × 53¹

Step-2: Prime Factorization of 380

Prime factors of 380 are 2, 5, 19. Prime factorization of 380 in exponential form is:

380 = 2² × 5¹ × 19¹

Step-3: Factors of 371

List of positive integer factors of 371 that divides 371 without a remainder.

1, 7, 53

Step-4: Factors of 380

List of positive integer factors of 380 that divides 371 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 371 and 380. The biggest common factor number is the GCF number.
So the greatest common factor 371 and 380 is 1.

Also check out the Least Common Multiple of 371 and 380