What is the Greatest Common Factor of 20976 and 20981?

Greatest common factor (GCF) of 20976 and 20981 is 1.

GCF(20976,20981) = 1

We will now calculate the prime factors of 20976 and 20981, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20976 and 20981.

How to find the GCF of 20976 and 20981?

We will first find the prime factorization of 20976 and 20981. After we will calculate the factors of 20976 and 20981 and find the biggest common factor number .

Step-1: Prime Factorization of 20976

Prime factors of 20976 are 2, 3, 19, 23. Prime factorization of 20976 in exponential form is:

20976 = 2⁴ × 3¹ × 19¹ × 23¹

Step-2: Prime Factorization of 20981

Prime factors of 20981 are 20981. Prime factorization of 20981 in exponential form is:

20981 = 20981¹

Step-3: Factors of 20976

List of positive integer factors of 20976 that divides 20976 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 304, 368, 437, 456, 552, 874, 912, 1104, 1311, 1748, 2622, 3496, 5244, 6992, 10488

Step-4: Factors of 20981

List of positive integer factors of 20981 that divides 20976 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20976 and 20981. The biggest common factor number is the GCF number.
So the greatest common factor 20976 and 20981 is 1.

Also check out the Least Common Multiple of 20976 and 20981