What is the Greatest Common Factor of 37905 and 37921?

Greatest common factor (GCF) of 37905 and 37921 is 1.

GCF(37905,37921) = 1

We will now calculate the prime factors of 37905 and 37921, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 37905 and 37921.

How to find the GCF of 37905 and 37921?

We will first find the prime factorization of 37905 and 37921. After we will calculate the factors of 37905 and 37921 and find the biggest common factor number .

Step-1: Prime Factorization of 37905

Prime factors of 37905 are 3, 5, 7, 19. Prime factorization of 37905 in exponential form is:

37905 = 3¹ × 5¹ × 7¹ × 19²

Step-2: Prime Factorization of 37921

Prime factors of 37921 are 13, 2917. Prime factorization of 37921 in exponential form is:

37921 = 13¹ × 2917¹

Step-3: Factors of 37905

List of positive integer factors of 37905 that divides 37905 without a remainder.

1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 361, 399, 665, 1083, 1805, 1995, 2527, 5415, 7581, 12635

Step-4: Factors of 37921

List of positive integer factors of 37921 that divides 37905 without a remainder.

1, 13, 2917

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 37905 and 37921. The biggest common factor number is the GCF number.
So the greatest common factor 37905 and 37921 is 1.

Also check out the Least Common Multiple of 37905 and 37921