What is the Greatest Common Factor of 21079 and 21085?

Greatest common factor (GCF) of 21079 and 21085 is 1.

GCF(21079,21085) = 1

We will now calculate the prime factors of 21079 and 21085, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21079 and 21085.

How to find the GCF of 21079 and 21085?

We will first find the prime factorization of 21079 and 21085. After we will calculate the factors of 21079 and 21085 and find the biggest common factor number .

Step-1: Prime Factorization of 21079

Prime factors of 21079 are 107, 197. Prime factorization of 21079 in exponential form is:

21079 = 107¹ × 197¹

Step-2: Prime Factorization of 21085

Prime factors of 21085 are 5, 4217. Prime factorization of 21085 in exponential form is:

21085 = 5¹ × 4217¹

Step-3: Factors of 21079

List of positive integer factors of 21079 that divides 21079 without a remainder.

1, 107, 197

Step-4: Factors of 21085

List of positive integer factors of 21085 that divides 21079 without a remainder.

1, 5, 4217

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21079 and 21085. The biggest common factor number is the GCF number.
So the greatest common factor 21079 and 21085 is 1.

Also check out the Least Common Multiple of 21079 and 21085