What is the Greatest Common Factor of 25181 and 25185?

Greatest common factor (GCF) of 25181 and 25185 is 1.

GCF(25181,25185) = 1

We will now calculate the prime factors of 25181 and 25185, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25181 and 25185.

How to find the GCF of 25181 and 25185?

We will first find the prime factorization of 25181 and 25185. After we will calculate the factors of 25181 and 25185 and find the biggest common factor number .

Step-1: Prime Factorization of 25181

Prime factors of 25181 are 13, 149. Prime factorization of 25181 in exponential form is:

25181 = 13² × 149¹

Step-2: Prime Factorization of 25185

Prime factors of 25185 are 3, 5, 23, 73. Prime factorization of 25185 in exponential form is:

25185 = 3¹ × 5¹ × 23¹ × 73¹

Step-3: Factors of 25181

List of positive integer factors of 25181 that divides 25181 without a remainder.

1, 13, 149, 169, 1937

Step-4: Factors of 25185

List of positive integer factors of 25185 that divides 25181 without a remainder.

1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 1095, 1679, 5037, 8395

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25181 and 25185. The biggest common factor number is the GCF number.
So the greatest common factor 25181 and 25185 is 1.

Also check out the Least Common Multiple of 25181 and 25185