What is the Greatest Common Factor of 27425 and 27438?

Greatest common factor (GCF) of 27425 and 27438 is 1.

GCF(27425,27438) = 1

We will now calculate the prime factors of 27425 and 27438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27425 and 27438.

How to find the GCF of 27425 and 27438?

We will first find the prime factorization of 27425 and 27438. After we will calculate the factors of 27425 and 27438 and find the biggest common factor number .

Step-1: Prime Factorization of 27425

Prime factors of 27425 are 5, 1097. Prime factorization of 27425 in exponential form is:

27425 = 5² × 1097¹

Step-2: Prime Factorization of 27438

Prime factors of 27438 are 2, 3, 17, 269. Prime factorization of 27438 in exponential form is:

27438 = 2¹ × 3¹ × 17¹ × 269¹

Step-3: Factors of 27425

List of positive integer factors of 27425 that divides 27425 without a remainder.

1, 5, 25, 1097, 5485

Step-4: Factors of 27438

List of positive integer factors of 27438 that divides 27425 without a remainder.

1, 2, 3, 6, 17, 34, 51, 102, 269, 538, 807, 1614, 4573, 9146, 13719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27425 and 27438. The biggest common factor number is the GCF number.
So the greatest common factor 27425 and 27438 is 1.

Also check out the Least Common Multiple of 27425 and 27438