What is the Greatest Common Factor of 25410 and 25421?

Greatest common factor (GCF) of 25410 and 25421 is 11.

GCF(25410,25421) = 11

We will now calculate the prime factors of 25410 and 25421, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25410 and 25421.

How to find the GCF of 25410 and 25421?

We will first find the prime factorization of 25410 and 25421. After we will calculate the factors of 25410 and 25421 and find the biggest common factor number .

Step-1: Prime Factorization of 25410

Prime factors of 25410 are 2, 3, 5, 7, 11. Prime factorization of 25410 in exponential form is:

25410 = 2¹ × 3¹ × 5¹ × 7¹ × 11²

Step-2: Prime Factorization of 25421

Prime factors of 25421 are 11, 2311. Prime factorization of 25421 in exponential form is:

25421 = 11¹ × 2311¹

Step-3: Factors of 25410

List of positive integer factors of 25410 that divides 25410 without a remainder.

1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 121, 154, 165, 210, 231, 242, 330, 363, 385, 462, 605, 726, 770, 847, 1155, 1210, 1694, 1815, 2310, 2541, 3630, 4235, 5082, 8470, 12705

Step-4: Factors of 25421

List of positive integer factors of 25421 that divides 25410 without a remainder.

1, 11, 2311

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25410 and 25421. The biggest common factor number is the GCF number.
So the greatest common factor 25410 and 25421 is 11.

Also check out the Least Common Multiple of 25410 and 25421