GCF and LCM Calculator Logo

What is the Greatest Common Factor of 20492 and 20497?

Greatest common factor (GCF) of 20492 and 20497 is 1.

GCF(20492,20497) = 1

We will now calculate the prime factors of 20492 and 20497, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20492 and 20497.

GCF Calculator and
and

How to find the GCF of 20492 and 20497?

We will first find the prime factorization of 20492 and 20497. After we will calculate the factors of 20492 and 20497 and find the biggest common factor number .

Step-1: Prime Factorization of 20492

Prime factors of 20492 are 2, 47, 109. Prime factorization of 20492 in exponential form is:

20492 = 22 × 471 × 1091

Step-2: Prime Factorization of 20497

Prime factors of 20497 are 103, 199. Prime factorization of 20497 in exponential form is:

20497 = 1031 × 1991

Step-3: Factors of 20492

List of positive integer factors of 20492 that divides 20492 without a remainder.

1, 2, 4, 47, 94, 109, 188, 218, 436, 5123, 10246

Step-4: Factors of 20497

List of positive integer factors of 20497 that divides 20492 without a remainder.

1, 103, 199

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20492 and 20497. The biggest common factor number is the GCF number.
So the greatest common factor 20492 and 20497 is 1.

Also check out the Least Common Multiple of 20492 and 20497