What is the Greatest Common Factor of 32980 and 32991?

Greatest common factor (GCF) of 32980 and 32991 is 1.

GCF(32980,32991) = 1

We will now calculate the prime factors of 32980 and 32991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 32980 and 32991.

How to find the GCF of 32980 and 32991?

We will first find the prime factorization of 32980 and 32991. After we will calculate the factors of 32980 and 32991 and find the biggest common factor number .

Step-1: Prime Factorization of 32980

Prime factors of 32980 are 2, 5, 17, 97. Prime factorization of 32980 in exponential form is:

32980 = 2² × 5¹ × 17¹ × 97¹

Step-2: Prime Factorization of 32991

Prime factors of 32991 are 3, 7, 1571. Prime factorization of 32991 in exponential form is:

32991 = 3¹ × 7¹ × 1571¹

Step-3: Factors of 32980

List of positive integer factors of 32980 that divides 32980 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 970, 1649, 1940, 3298, 6596, 8245, 16490

Step-4: Factors of 32991

List of positive integer factors of 32991 that divides 32980 without a remainder.

1, 3, 7, 21, 1571, 4713, 10997

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 32980 and 32991. The biggest common factor number is the GCF number.
So the greatest common factor 32980 and 32991 is 1.

Also check out the Least Common Multiple of 32980 and 32991