What is the Greatest Common Factor of 38961 and 38965?

Greatest common factor (GCF) of 38961 and 38965 is 1.

GCF(38961,38965) = 1

We will now calculate the prime factors of 38961 and 38965, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38961 and 38965.

How to find the GCF of 38961 and 38965?

We will first find the prime factorization of 38961 and 38965. After we will calculate the factors of 38961 and 38965 and find the biggest common factor number .

Step-1: Prime Factorization of 38961

Prime factors of 38961 are 3, 13, 37. Prime factorization of 38961 in exponential form is:

38961 = 3⁴ × 13¹ × 37¹

Step-2: Prime Factorization of 38965

Prime factors of 38965 are 5, 7793. Prime factorization of 38965 in exponential form is:

38965 = 5¹ × 7793¹

Step-3: Factors of 38961

List of positive integer factors of 38961 that divides 38961 without a remainder.

1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 351, 481, 999, 1053, 1443, 2997, 4329, 12987

Step-4: Factors of 38965

List of positive integer factors of 38965 that divides 38961 without a remainder.

1, 5, 7793

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38961 and 38965. The biggest common factor number is the GCF number.
So the greatest common factor 38961 and 38965 is 1.

Also check out the Least Common Multiple of 38961 and 38965