What is the Greatest Common Factor of 25661 and 25670?

Greatest common factor (GCF) of 25661 and 25670 is 1.

GCF(25661,25670) = 1

We will now calculate the prime factors of 25661 and 25670, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25661 and 25670.

How to find the GCF of 25661 and 25670?

We will first find the prime factorization of 25661 and 25670. After we will calculate the factors of 25661 and 25670 and find the biggest common factor number .

Step-1: Prime Factorization of 25661

Prime factors of 25661 are 67, 383. Prime factorization of 25661 in exponential form is:

25661 = 67¹ × 383¹

Step-2: Prime Factorization of 25670

Prime factors of 25670 are 2, 5, 17, 151. Prime factorization of 25670 in exponential form is:

25670 = 2¹ × 5¹ × 17¹ × 151¹

Step-3: Factors of 25661

List of positive integer factors of 25661 that divides 25661 without a remainder.

1, 67, 383

Step-4: Factors of 25670

List of positive integer factors of 25670 that divides 25661 without a remainder.

1, 2, 5, 10, 17, 34, 85, 151, 170, 302, 755, 1510, 2567, 5134, 12835

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25661 and 25670. The biggest common factor number is the GCF number.
So the greatest common factor 25661 and 25670 is 1.

Also check out the Least Common Multiple of 25661 and 25670