What is the Greatest Common Factor of 38860 and 38865?

Greatest common factor (GCF) of 38860 and 38865 is 5.

GCF(38860,38865) = 5

We will now calculate the prime factors of 38860 and 38865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38860 and 38865.

How to find the GCF of 38860 and 38865?

We will first find the prime factorization of 38860 and 38865. After we will calculate the factors of 38860 and 38865 and find the biggest common factor number .

Step-1: Prime Factorization of 38860

Prime factors of 38860 are 2, 5, 29, 67. Prime factorization of 38860 in exponential form is:

38860 = 2² × 5¹ × 29¹ × 67¹

Step-2: Prime Factorization of 38865

Prime factors of 38865 are 3, 5, 2591. Prime factorization of 38865 in exponential form is:

38865 = 3¹ × 5¹ × 2591¹

Step-3: Factors of 38860

List of positive integer factors of 38860 that divides 38860 without a remainder.

1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 580, 670, 1340, 1943, 3886, 7772, 9715, 19430

Step-4: Factors of 38865

List of positive integer factors of 38865 that divides 38860 without a remainder.

1, 3, 5, 15, 2591, 7773, 12955

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38860 and 38865. The biggest common factor number is the GCF number.
So the greatest common factor 38860 and 38865 is 5.

Also check out the Least Common Multiple of 38860 and 38865