What is the Greatest Common Factor of 38990 and 38995?

Greatest common factor (GCF) of 38990 and 38995 is 5.

GCF(38990,38995) = 5

We will now calculate the prime factors of 38990 and 38995, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38990 and 38995.

How to find the GCF of 38990 and 38995?

We will first find the prime factorization of 38990 and 38995. After we will calculate the factors of 38990 and 38995 and find the biggest common factor number .

Step-1: Prime Factorization of 38990

Prime factors of 38990 are 2, 5, 7, 557. Prime factorization of 38990 in exponential form is:

38990 = 2¹ × 5¹ × 7¹ × 557¹

Step-2: Prime Factorization of 38995

Prime factors of 38995 are 5, 11, 709. Prime factorization of 38995 in exponential form is:

38995 = 5¹ × 11¹ × 709¹

Step-3: Factors of 38990

List of positive integer factors of 38990 that divides 38990 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 557, 1114, 2785, 3899, 5570, 7798, 19495

Step-4: Factors of 38995

List of positive integer factors of 38995 that divides 38990 without a remainder.

1, 5, 11, 55, 709, 3545, 7799

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38990 and 38995. The biggest common factor number is the GCF number.
So the greatest common factor 38990 and 38995 is 5.

Also check out the Least Common Multiple of 38990 and 38995