What is the Greatest Common Factor of 68015 and 68021?

Greatest common factor (GCF) of 68015 and 68021 is 1.

GCF(68015,68021) = 1

We will now calculate the prime factors of 68015 and 68021, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68015 and 68021.

How to find the GCF of 68015 and 68021?

We will first find the prime factorization of 68015 and 68021. After we will calculate the factors of 68015 and 68021 and find the biggest common factor number .

Step-1: Prime Factorization of 68015

Prime factors of 68015 are 5, 61, 223. Prime factorization of 68015 in exponential form is:

68015 = 5¹ × 61¹ × 223¹

Step-2: Prime Factorization of 68021

Prime factors of 68021 are 251, 271. Prime factorization of 68021 in exponential form is:

68021 = 251¹ × 271¹

Step-3: Factors of 68015

List of positive integer factors of 68015 that divides 68015 without a remainder.

1, 5, 61, 223, 305, 1115, 13603

Step-4: Factors of 68021

List of positive integer factors of 68021 that divides 68015 without a remainder.

1, 251, 271

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68015 and 68021. The biggest common factor number is the GCF number.
So the greatest common factor 68015 and 68021 is 1.

Also check out the Least Common Multiple of 68015 and 68021