What is the Greatest Common Factor of 38561 and 38565?

Greatest common factor (GCF) of 38561 and 38565 is 1.

GCF(38561,38565) = 1

We will now calculate the prime factors of 38561 and 38565, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38561 and 38565.

How to find the GCF of 38561 and 38565?

We will first find the prime factorization of 38561 and 38565. After we will calculate the factors of 38561 and 38565 and find the biggest common factor number .

Step-1: Prime Factorization of 38561

Prime factors of 38561 are 38561. Prime factorization of 38561 in exponential form is:

38561 = 38561¹

Step-2: Prime Factorization of 38565

Prime factors of 38565 are 3, 5, 857. Prime factorization of 38565 in exponential form is:

38565 = 3² × 5¹ × 857¹

Step-3: Factors of 38561

List of positive integer factors of 38561 that divides 38561 without a remainder.

Step-4: Factors of 38565

List of positive integer factors of 38565 that divides 38561 without a remainder.

1, 3, 5, 9, 15, 45, 857, 2571, 4285, 7713, 12855

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38561 and 38565. The biggest common factor number is the GCF number.
So the greatest common factor 38561 and 38565 is 1.

Also check out the Least Common Multiple of 38561 and 38565