What is the Greatest Common Factor of 20215 and 20224?

Greatest common factor (GCF) of 20215 and 20224 is 1.

GCF(20215,20224) = 1

We will now calculate the prime factors of 20215 and 20224, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20215 and 20224.

How to find the GCF of 20215 and 20224?

We will first find the prime factorization of 20215 and 20224. After we will calculate the factors of 20215 and 20224 and find the biggest common factor number .

Step-1: Prime Factorization of 20215

Prime factors of 20215 are 5, 13, 311. Prime factorization of 20215 in exponential form is:

20215 = 5¹ × 13¹ × 311¹

Step-2: Prime Factorization of 20224

Prime factors of 20224 are 2, 79. Prime factorization of 20224 in exponential form is:

20224 = 2⁸ × 79¹

Step-3: Factors of 20215

List of positive integer factors of 20215 that divides 20215 without a remainder.

1, 5, 13, 65, 311, 1555, 4043

Step-4: Factors of 20224

List of positive integer factors of 20224 that divides 20215 without a remainder.

1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 632, 1264, 2528, 5056, 10112

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20215 and 20224. The biggest common factor number is the GCF number.
So the greatest common factor 20215 and 20224 is 1.

Also check out the Least Common Multiple of 20215 and 20224