What is the Greatest Common Factor of 20258 and 20268?

Greatest common factor (GCF) of 20258 and 20268 is 2.

GCF(20258,20268) = 2

We will now calculate the prime factors of 20258 and 20268, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20258 and 20268.

How to find the GCF of 20258 and 20268?

We will first find the prime factorization of 20258 and 20268. After we will calculate the factors of 20258 and 20268 and find the biggest common factor number .

Step-1: Prime Factorization of 20258

Prime factors of 20258 are 2, 7, 1447. Prime factorization of 20258 in exponential form is:

20258 = 2¹ × 7¹ × 1447¹

Step-2: Prime Factorization of 20268

Prime factors of 20268 are 2, 3, 563. Prime factorization of 20268 in exponential form is:

20268 = 2² × 3² × 563¹

Step-3: Factors of 20258

List of positive integer factors of 20258 that divides 20258 without a remainder.

1, 2, 7, 14, 1447, 2894, 10129

Step-4: Factors of 20268

List of positive integer factors of 20268 that divides 20258 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 563, 1126, 1689, 2252, 3378, 5067, 6756, 10134

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20258 and 20268. The biggest common factor number is the GCF number.
So the greatest common factor 20258 and 20268 is 2.

Also check out the Least Common Multiple of 20258 and 20268