What is the Greatest Common Factor of 98960 and 98980?

Greatest common factor (GCF) of 98960 and 98980 is 20.

GCF(98960,98980) = 20

We will now calculate the prime factors of 98960 and 98980, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 98960 and 98980.

How to find the GCF of 98960 and 98980?

We will first find the prime factorization of 98960 and 98980. After we will calculate the factors of 98960 and 98980 and find the biggest common factor number .

Step-1: Prime Factorization of 98960

Prime factors of 98960 are 2, 5, 1237. Prime factorization of 98960 in exponential form is:

98960 = 2⁴ × 5¹ × 1237¹

Step-2: Prime Factorization of 98980

Prime factors of 98980 are 2, 5, 7, 101. Prime factorization of 98980 in exponential form is:

98980 = 2² × 5¹ × 7² × 101¹

Step-3: Factors of 98960

List of positive integer factors of 98960 that divides 98960 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1237, 2474, 4948, 6185, 9896, 12370, 19792, 24740, 49480

Step-4: Factors of 98980

List of positive integer factors of 98980 that divides 98960 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 707, 980, 1010, 1414, 2020, 2828, 3535, 4949, 7070, 9898, 14140, 19796, 24745, 49490

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 98960 and 98980. The biggest common factor number is the GCF number.
So the greatest common factor 98960 and 98980 is 20.

Also check out the Least Common Multiple of 98960 and 98980