What is the Greatest Common Factor of 25240 and 25260?

Greatest common factor (GCF) of 25240 and 25260 is 20.

GCF(25240,25260) = 20

We will now calculate the prime factors of 25240 and 25260, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25240 and 25260.

How to find the GCF of 25240 and 25260?

We will first find the prime factorization of 25240 and 25260. After we will calculate the factors of 25240 and 25260 and find the biggest common factor number .

Step-1: Prime Factorization of 25240

Prime factors of 25240 are 2, 5, 631. Prime factorization of 25240 in exponential form is:

25240 = 2³ × 5¹ × 631¹

Step-2: Prime Factorization of 25260

Prime factors of 25260 are 2, 3, 5, 421. Prime factorization of 25260 in exponential form is:

25260 = 2² × 3¹ × 5¹ × 421¹

Step-3: Factors of 25240

List of positive integer factors of 25240 that divides 25240 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620

Step-4: Factors of 25260

List of positive integer factors of 25260 that divides 25240 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1263, 1684, 2105, 2526, 4210, 5052, 6315, 8420, 12630

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25240 and 25260. The biggest common factor number is the GCF number.
So the greatest common factor 25240 and 25260 is 20.

Also check out the Least Common Multiple of 25240 and 25260