What is the Greatest Common Factor of 20257 and 20262?

Greatest common factor (GCF) of 20257 and 20262 is 1.

GCF(20257,20262) = 1

We will now calculate the prime factors of 20257 and 20262, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20257 and 20262.

How to find the GCF of 20257 and 20262?

We will first find the prime factorization of 20257 and 20262. After we will calculate the factors of 20257 and 20262 and find the biggest common factor number .

Step-1: Prime Factorization of 20257

Prime factors of 20257 are 47, 431. Prime factorization of 20257 in exponential form is:

20257 = 47¹ × 431¹

Step-2: Prime Factorization of 20262

Prime factors of 20262 are 2, 3, 11, 307. Prime factorization of 20262 in exponential form is:

20262 = 2¹ × 3¹ × 11¹ × 307¹

Step-3: Factors of 20257

List of positive integer factors of 20257 that divides 20257 without a remainder.

1, 47, 431

Step-4: Factors of 20262

List of positive integer factors of 20262 that divides 20257 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 307, 614, 921, 1842, 3377, 6754, 10131

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20257 and 20262. The biggest common factor number is the GCF number.
So the greatest common factor 20257 and 20262 is 1.

Also check out the Least Common Multiple of 20257 and 20262