What is the Greatest Common Factor of 27790 and 27794?

Greatest common factor (GCF) of 27790 and 27794 is 2.

GCF(27790,27794) = 2

We will now calculate the prime factors of 27790 and 27794, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27790 and 27794.

How to find the GCF of 27790 and 27794?

We will first find the prime factorization of 27790 and 27794. After we will calculate the factors of 27790 and 27794 and find the biggest common factor number .

Step-1: Prime Factorization of 27790

Prime factors of 27790 are 2, 5, 7, 397. Prime factorization of 27790 in exponential form is:

27790 = 2¹ × 5¹ × 7¹ × 397¹

Step-2: Prime Factorization of 27794

Prime factors of 27794 are 2, 13, 1069. Prime factorization of 27794 in exponential form is:

27794 = 2¹ × 13¹ × 1069¹

Step-3: Factors of 27790

List of positive integer factors of 27790 that divides 27790 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 3970, 5558, 13895

Step-4: Factors of 27794

List of positive integer factors of 27794 that divides 27790 without a remainder.

1, 2, 13, 26, 1069, 2138, 13897

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27790 and 27794. The biggest common factor number is the GCF number.
So the greatest common factor 27790 and 27794 is 2.

Also check out the Least Common Multiple of 27790 and 27794