What is the Greatest Common Factor of 98970 and 98985?

Greatest common factor (GCF) of 98970 and 98985 is 15.

GCF(98970,98985) = 15

We will now calculate the prime factors of 98970 and 98985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 98970 and 98985.

How to find the GCF of 98970 and 98985?

We will first find the prime factorization of 98970 and 98985. After we will calculate the factors of 98970 and 98985 and find the biggest common factor number .

Step-1: Prime Factorization of 98970

Prime factors of 98970 are 2, 3, 5, 3299. Prime factorization of 98970 in exponential form is:

98970 = 2¹ × 3¹ × 5¹ × 3299¹

Step-2: Prime Factorization of 98985

Prime factors of 98985 are 3, 5, 6599. Prime factorization of 98985 in exponential form is:

98985 = 3¹ × 5¹ × 6599¹

Step-3: Factors of 98970

List of positive integer factors of 98970 that divides 98970 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 3299, 6598, 9897, 16495, 19794, 32990, 49485

Step-4: Factors of 98985

List of positive integer factors of 98985 that divides 98970 without a remainder.

1, 3, 5, 15, 6599, 19797, 32995

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 98970 and 98985. The biggest common factor number is the GCF number.
So the greatest common factor 98970 and 98985 is 15.

Also check out the Least Common Multiple of 98970 and 98985