What is the Greatest Common Factor of 27490 and 27505?

Greatest common factor (GCF) of 27490 and 27505 is 5.

GCF(27490,27505) = 5

We will now calculate the prime factors of 27490 and 27505, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27490 and 27505.

How to find the GCF of 27490 and 27505?

We will first find the prime factorization of 27490 and 27505. After we will calculate the factors of 27490 and 27505 and find the biggest common factor number .

Step-1: Prime Factorization of 27490

Prime factors of 27490 are 2, 5, 2749. Prime factorization of 27490 in exponential form is:

27490 = 2¹ × 5¹ × 2749¹

Step-2: Prime Factorization of 27505

Prime factors of 27505 are 5, 5501. Prime factorization of 27505 in exponential form is:

27505 = 5¹ × 5501¹

Step-3: Factors of 27490

List of positive integer factors of 27490 that divides 27490 without a remainder.

1, 2, 5, 10, 2749, 5498, 13745

Step-4: Factors of 27505

List of positive integer factors of 27505 that divides 27490 without a remainder.

1, 5, 5501

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27490 and 27505. The biggest common factor number is the GCF number.
So the greatest common factor 27490 and 27505 is 5.

Also check out the Least Common Multiple of 27490 and 27505