What is the Greatest Common Factor of 38685 and 38690?

Greatest common factor (GCF) of 38685 and 38690 is 5.

GCF(38685,38690) = 5

We will now calculate the prime factors of 38685 and 38690, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38685 and 38690.

How to find the GCF of 38685 and 38690?

We will first find the prime factorization of 38685 and 38690. After we will calculate the factors of 38685 and 38690 and find the biggest common factor number .

Step-1: Prime Factorization of 38685

Prime factors of 38685 are 3, 5, 2579. Prime factorization of 38685 in exponential form is:

38685 = 3¹ × 5¹ × 2579¹

Step-2: Prime Factorization of 38690

Prime factors of 38690 are 2, 5, 53, 73. Prime factorization of 38690 in exponential form is:

38690 = 2¹ × 5¹ × 53¹ × 73¹

Step-3: Factors of 38685

List of positive integer factors of 38685 that divides 38685 without a remainder.

1, 3, 5, 15, 2579, 7737, 12895

Step-4: Factors of 38690

List of positive integer factors of 38690 that divides 38685 without a remainder.

1, 2, 5, 10, 53, 73, 106, 146, 265, 365, 530, 730, 3869, 7738, 19345

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38685 and 38690. The biggest common factor number is the GCF number.
So the greatest common factor 38685 and 38690 is 5.

Also check out the Least Common Multiple of 38685 and 38690