GCF and LCM Calculator Logo

What is the Greatest Common Factor of 2705 and 2715?

Greatest common factor (GCF) of 2705 and 2715 is 5.

GCF(2705,2715) = 5

We will now calculate the prime factors of 2705 and 2715, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2705 and 2715.

GCF Calculator and
and

How to find the GCF of 2705 and 2715?

We will first find the prime factorization of 2705 and 2715. After we will calculate the factors of 2705 and 2715 and find the biggest common factor number .

Step-1: Prime Factorization of 2705

Prime factors of 2705 are 5, 541. Prime factorization of 2705 in exponential form is:

2705 = 51 × 5411

Step-2: Prime Factorization of 2715

Prime factors of 2715 are 3, 5, 181. Prime factorization of 2715 in exponential form is:

2715 = 31 × 51 × 1811

Step-3: Factors of 2705

List of positive integer factors of 2705 that divides 2705 without a remainder.

1, 5, 541

Step-4: Factors of 2715

List of positive integer factors of 2715 that divides 2705 without a remainder.

1, 3, 5, 15, 181, 543, 905

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2705 and 2715. The biggest common factor number is the GCF number.
So the greatest common factor 2705 and 2715 is 5.

Also check out the Least Common Multiple of 2705 and 2715