What is the Greatest Common Factor of 27995 and 28015?

Greatest common factor (GCF) of 27995 and 28015 is 5.

GCF(27995,28015) = 5

We will now calculate the prime factors of 27995 and 28015, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27995 and 28015.

How to find the GCF of 27995 and 28015?

We will first find the prime factorization of 27995 and 28015. After we will calculate the factors of 27995 and 28015 and find the biggest common factor number .

Step-1: Prime Factorization of 27995

Prime factors of 27995 are 5, 11, 509. Prime factorization of 27995 in exponential form is:

27995 = 5¹ × 11¹ × 509¹

Step-2: Prime Factorization of 28015

Prime factors of 28015 are 5, 13, 431. Prime factorization of 28015 in exponential form is:

28015 = 5¹ × 13¹ × 431¹

Step-3: Factors of 27995

List of positive integer factors of 27995 that divides 27995 without a remainder.

1, 5, 11, 55, 509, 2545, 5599

Step-4: Factors of 28015

List of positive integer factors of 28015 that divides 27995 without a remainder.

1, 5, 13, 65, 431, 2155, 5603

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27995 and 28015. The biggest common factor number is the GCF number.
So the greatest common factor 27995 and 28015 is 5.

Also check out the Least Common Multiple of 27995 and 28015