What is the Greatest Common Factor of 2555 and 2569?

Greatest common factor (GCF) of 2555 and 2569 is 7.

GCF(2555,2569) = 7

We will now calculate the prime factors of 2555 and 2569, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2555 and 2569.

How to find the GCF of 2555 and 2569?

We will first find the prime factorization of 2555 and 2569. After we will calculate the factors of 2555 and 2569 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 2569

Prime factors of 2569 are 7, 367. Prime factorization of 2569 in exponential form is:

2569 = 7¹ × 367¹

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 2569

List of positive integer factors of 2569 that divides 2555 without a remainder.

1, 7, 367

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2555 and 2569. The biggest common factor number is the GCF number.
So the greatest common factor 2555 and 2569 is 7.

Also check out the Least Common Multiple of 2555 and 2569