What is the Greatest Common Factor of 38990 and 39010?

Greatest common factor (GCF) of 38990 and 39010 is 10.

GCF(38990,39010) = 10

We will now calculate the prime factors of 38990 and 39010, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38990 and 39010.

How to find the GCF of 38990 and 39010?

We will first find the prime factorization of 38990 and 39010. After we will calculate the factors of 38990 and 39010 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 39010

Prime factors of 39010 are 2, 5, 47, 83. Prime factorization of 39010 in exponential form is:

39010 = 2¹ × 5¹ × 47¹ × 83¹

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 39010

List of positive integer factors of 39010 that divides 38990 without a remainder.

1, 2, 5, 10, 47, 83, 94, 166, 235, 415, 470, 830, 3901, 7802, 19505

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38990 and 39010. The biggest common factor number is the GCF number.
So the greatest common factor 38990 and 39010 is 10.

Also check out the Least Common Multiple of 38990 and 39010