What is the Greatest Common Factor of 16981 and 16988?

Greatest common factor (GCF) of 16981 and 16988 is 1.

GCF(16981,16988) = 1

We will now calculate the prime factors of 16981 and 16988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16981 and 16988.

How to find the GCF of 16981 and 16988?

We will first find the prime factorization of 16981 and 16988. After we will calculate the factors of 16981 and 16988 and find the biggest common factor number .

Step-1: Prime Factorization of 16981

Prime factors of 16981 are 16981. Prime factorization of 16981 in exponential form is:

16981 = 16981¹

Step-2: Prime Factorization of 16988

Prime factors of 16988 are 2, 31, 137. Prime factorization of 16988 in exponential form is:

16988 = 2² × 31¹ × 137¹

Step-3: Factors of 16981

List of positive integer factors of 16981 that divides 16981 without a remainder.

Step-4: Factors of 16988

List of positive integer factors of 16988 that divides 16981 without a remainder.

1, 2, 4, 31, 62, 124, 137, 274, 548, 4247, 8494

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16981 and 16988. The biggest common factor number is the GCF number.
So the greatest common factor 16981 and 16988 is 1.

Also check out the Least Common Multiple of 16981 and 16988