What is the Greatest Common Factor of 2561 and 2576?

Greatest common factor (GCF) of 2561 and 2576 is 1.

GCF(2561,2576) = 1

We will now calculate the prime factors of 2561 and 2576, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2561 and 2576.

How to find the GCF of 2561 and 2576?

We will first find the prime factorization of 2561 and 2576. After we will calculate the factors of 2561 and 2576 and find the biggest common factor number .

Step-1: Prime Factorization of 2561

Prime factors of 2561 are 13, 197. Prime factorization of 2561 in exponential form is:

2561 = 13¹ × 197¹

Step-2: Prime Factorization of 2576

Prime factors of 2576 are 2, 7, 23. Prime factorization of 2576 in exponential form is:

2576 = 2⁴ × 7¹ × 23¹

Step-3: Factors of 2561

List of positive integer factors of 2561 that divides 2561 without a remainder.

1, 13, 197

Step-4: Factors of 2576

List of positive integer factors of 2576 that divides 2561 without a remainder.

1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2561 and 2576. The biggest common factor number is the GCF number.
So the greatest common factor 2561 and 2576 is 1.

Also check out the Least Common Multiple of 2561 and 2576