What is the Greatest Common Factor of 27515 and 27521?

Greatest common factor (GCF) of 27515 and 27521 is 1.

GCF(27515,27521) = 1

We will now calculate the prime factors of 27515 and 27521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27515 and 27521.

How to find the GCF of 27515 and 27521?

We will first find the prime factorization of 27515 and 27521. After we will calculate the factors of 27515 and 27521 and find the biggest common factor number .

Step-1: Prime Factorization of 27515

Prime factors of 27515 are 5, 5503. Prime factorization of 27515 in exponential form is:

27515 = 5¹ × 5503¹

Step-2: Prime Factorization of 27521

Prime factors of 27521 are 13, 29, 73. Prime factorization of 27521 in exponential form is:

27521 = 13¹ × 29¹ × 73¹

Step-3: Factors of 27515

List of positive integer factors of 27515 that divides 27515 without a remainder.

1, 5, 5503

Step-4: Factors of 27521

List of positive integer factors of 27521 that divides 27515 without a remainder.

1, 13, 29, 73, 377, 949, 2117

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27515 and 27521. The biggest common factor number is the GCF number.
So the greatest common factor 27515 and 27521 is 1.

Also check out the Least Common Multiple of 27515 and 27521