What is the Greatest Common Factor of 25630 and 25640?

Greatest common factor (GCF) of 25630 and 25640 is 10.

GCF(25630,25640) = 10

We will now calculate the prime factors of 25630 and 25640, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25630 and 25640.

How to find the GCF of 25630 and 25640?

We will first find the prime factorization of 25630 and 25640. After we will calculate the factors of 25630 and 25640 and find the biggest common factor number .

Step-1: Prime Factorization of 25630

Prime factors of 25630 are 2, 5, 11, 233. Prime factorization of 25630 in exponential form is:

25630 = 2¹ × 5¹ × 11¹ × 233¹

Step-2: Prime Factorization of 25640

Prime factors of 25640 are 2, 5, 641. Prime factorization of 25640 in exponential form is:

25640 = 2³ × 5¹ × 641¹

Step-3: Factors of 25630

List of positive integer factors of 25630 that divides 25630 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 233, 466, 1165, 2330, 2563, 5126, 12815

Step-4: Factors of 25640

List of positive integer factors of 25640 that divides 25630 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25630 and 25640. The biggest common factor number is the GCF number.
So the greatest common factor 25630 and 25640 is 10.

Also check out the Least Common Multiple of 25630 and 25640