What is the Greatest Common Factor of 25540 and 25546?

Greatest common factor (GCF) of 25540 and 25546 is 2.

GCF(25540,25546) = 2

We will now calculate the prime factors of 25540 and 25546, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25540 and 25546.

How to find the GCF of 25540 and 25546?

We will first find the prime factorization of 25540 and 25546. After we will calculate the factors of 25540 and 25546 and find the biggest common factor number .

Step-1: Prime Factorization of 25540

Prime factors of 25540 are 2, 5, 1277. Prime factorization of 25540 in exponential form is:

25540 = 2² × 5¹ × 1277¹

Step-2: Prime Factorization of 25546

Prime factors of 25546 are 2, 53, 241. Prime factorization of 25546 in exponential form is:

25546 = 2¹ × 53¹ × 241¹

Step-3: Factors of 25540

List of positive integer factors of 25540 that divides 25540 without a remainder.

1, 2, 4, 5, 10, 20, 1277, 2554, 5108, 6385, 12770

Step-4: Factors of 25546

List of positive integer factors of 25546 that divides 25540 without a remainder.

1, 2, 53, 106, 241, 482, 12773

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25540 and 25546. The biggest common factor number is the GCF number.
So the greatest common factor 25540 and 25546 is 2.

Also check out the Least Common Multiple of 25540 and 25546