What is the Greatest Common Factor of 2555 and 2570?

Greatest common factor (GCF) of 2555 and 2570 is 5.

GCF(2555,2570) = 5

We will now calculate the prime factors of 2555 and 2570, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2555 and 2570.

How to find the GCF of 2555 and 2570?

We will first find the prime factorization of 2555 and 2570. After we will calculate the factors of 2555 and 2570 and find the biggest common factor number .

Step-1: Prime Factorization of 2555

Prime factors of 2555 are 5, 7, 73. Prime factorization of 2555 in exponential form is:

2555 = 5¹ × 7¹ × 73¹

Step-2: Prime Factorization of 2570

Prime factors of 2570 are 2, 5, 257. Prime factorization of 2570 in exponential form is:

2570 = 2¹ × 5¹ × 257¹

Step-3: Factors of 2555

List of positive integer factors of 2555 that divides 2555 without a remainder.

1, 5, 7, 35, 73, 365, 511

Step-4: Factors of 2570

List of positive integer factors of 2570 that divides 2555 without a remainder.

1, 2, 5, 10, 257, 514, 1285

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2555 and 2570. The biggest common factor number is the GCF number.
So the greatest common factor 2555 and 2570 is 5.

Also check out the Least Common Multiple of 2555 and 2570