What is the Greatest Common Factor of 38985 and 38989?

Greatest common factor (GCF) of 38985 and 38989 is 1.

GCF(38985,38989) = 1

We will now calculate the prime factors of 38985 and 38989, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38985 and 38989.

How to find the GCF of 38985 and 38989?

We will first find the prime factorization of 38985 and 38989. After we will calculate the factors of 38985 and 38989 and find the biggest common factor number .

Step-1: Prime Factorization of 38985

Prime factors of 38985 are 3, 5, 23, 113. Prime factorization of 38985 in exponential form is:

38985 = 3¹ × 5¹ × 23¹ × 113¹

Step-2: Prime Factorization of 38989

Prime factors of 38989 are 127, 307. Prime factorization of 38989 in exponential form is:

38989 = 127¹ × 307¹

Step-3: Factors of 38985

List of positive integer factors of 38985 that divides 38985 without a remainder.

1, 3, 5, 15, 23, 69, 113, 115, 339, 345, 565, 1695, 2599, 7797, 12995

Step-4: Factors of 38989

List of positive integer factors of 38989 that divides 38985 without a remainder.

1, 127, 307

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38985 and 38989. The biggest common factor number is the GCF number.
So the greatest common factor 38985 and 38989 is 1.

Also check out the Least Common Multiple of 38985 and 38989