What is the Greatest Common Factor of 20245 and 20256?

Greatest common factor (GCF) of 20245 and 20256 is 1.

GCF(20245,20256) = 1

We will now calculate the prime factors of 20245 and 20256, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20245 and 20256.

How to find the GCF of 20245 and 20256?

We will first find the prime factorization of 20245 and 20256. After we will calculate the factors of 20245 and 20256 and find the biggest common factor number .

Step-1: Prime Factorization of 20245

Prime factors of 20245 are 5, 4049. Prime factorization of 20245 in exponential form is:

20245 = 5¹ × 4049¹

Step-2: Prime Factorization of 20256

Prime factors of 20256 are 2, 3, 211. Prime factorization of 20256 in exponential form is:

20256 = 2⁵ × 3¹ × 211¹

Step-3: Factors of 20245

List of positive integer factors of 20245 that divides 20245 without a remainder.

1, 5, 4049

Step-4: Factors of 20256

List of positive integer factors of 20256 that divides 20245 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 211, 422, 633, 844, 1266, 1688, 2532, 3376, 5064, 6752, 10128

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20245 and 20256. The biggest common factor number is the GCF number.
So the greatest common factor 20245 and 20256 is 1.

Also check out the Least Common Multiple of 20245 and 20256