What is the Greatest Common Factor of 97960 and 97980?

Greatest common factor (GCF) of 97960 and 97980 is 20.

GCF(97960,97980) = 20

We will now calculate the prime factors of 97960 and 97980, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 97960 and 97980.

How to find the GCF of 97960 and 97980?

We will first find the prime factorization of 97960 and 97980. After we will calculate the factors of 97960 and 97980 and find the biggest common factor number .

Step-1: Prime Factorization of 97960

Prime factors of 97960 are 2, 5, 31, 79. Prime factorization of 97960 in exponential form is:

97960 = 2³ × 5¹ × 31¹ × 79¹

Step-2: Prime Factorization of 97980

Prime factors of 97980 are 2, 3, 5, 23, 71. Prime factorization of 97980 in exponential form is:

97980 = 2² × 3¹ × 5¹ × 23¹ × 71¹

Step-3: Factors of 97960

List of positive integer factors of 97960 that divides 97960 without a remainder.

1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2449, 3160, 4898, 9796, 12245, 19592, 24490, 48980

Step-4: Factors of 97980

List of positive integer factors of 97980 that divides 97960 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 71, 92, 115, 138, 142, 213, 230, 276, 284, 345, 355, 426, 460, 690, 710, 852, 1065, 1380, 1420, 1633, 2130, 3266, 4260, 4899, 6532, 8165, 9798, 16330, 19596, 24495, 32660, 48990

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 97960 and 97980. The biggest common factor number is the GCF number.
So the greatest common factor 97960 and 97980 is 20.

Also check out the Least Common Multiple of 97960 and 97980