What is the Greatest Common Factor of 25151 and 25155?

Greatest common factor (GCF) of 25151 and 25155 is 1.

GCF(25151,25155) = 1

We will now calculate the prime factors of 25151 and 25155, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25151 and 25155.

How to find the GCF of 25151 and 25155?

We will first find the prime factorization of 25151 and 25155. After we will calculate the factors of 25151 and 25155 and find the biggest common factor number .

Step-1: Prime Factorization of 25151

Prime factors of 25151 are 7, 3593. Prime factorization of 25151 in exponential form is:

25151 = 7¹ × 3593¹

Step-2: Prime Factorization of 25155

Prime factors of 25155 are 3, 5, 13, 43. Prime factorization of 25155 in exponential form is:

25155 = 3² × 5¹ × 13¹ × 43¹

Step-3: Factors of 25151

List of positive integer factors of 25151 that divides 25151 without a remainder.

1, 7, 3593

Step-4: Factors of 25155

List of positive integer factors of 25155 that divides 25151 without a remainder.

1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 1677, 1935, 2795, 5031, 8385

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25151 and 25155. The biggest common factor number is the GCF number.
So the greatest common factor 25151 and 25155 is 1.

Also check out the Least Common Multiple of 25151 and 25155