GCF and LCM Calculator Logo

What is the Greatest Common Factor of 20279 and 20287?

Greatest common factor (GCF) of 20279 and 20287 is 1.

GCF(20279,20287) = 1

We will now calculate the prime factors of 20279 and 20287, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20279 and 20287.

GCF Calculator and
and

How to find the GCF of 20279 and 20287?

We will first find the prime factorization of 20279 and 20287. After we will calculate the factors of 20279 and 20287 and find the biggest common factor number .

Step-1: Prime Factorization of 20279

Prime factors of 20279 are 7, 2897. Prime factorization of 20279 in exponential form is:

20279 = 71 × 28971

Step-2: Prime Factorization of 20287

Prime factors of 20287 are 20287. Prime factorization of 20287 in exponential form is:

20287 = 202871

Step-3: Factors of 20279

List of positive integer factors of 20279 that divides 20279 without a remainder.

1, 7, 2897

Step-4: Factors of 20287

List of positive integer factors of 20287 that divides 20279 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20279 and 20287. The biggest common factor number is the GCF number.
So the greatest common factor 20279 and 20287 is 1.

Also check out the Least Common Multiple of 20279 and 20287