What is the Greatest Common Factor of 27818 and 27830?

Greatest common factor (GCF) of 27818 and 27830 is 2.

GCF(27818,27830) = 2

We will now calculate the prime factors of 27818 and 27830, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27818 and 27830.

How to find the GCF of 27818 and 27830?

We will first find the prime factorization of 27818 and 27830. After we will calculate the factors of 27818 and 27830 and find the biggest common factor number .

Step-1: Prime Factorization of 27818

Prime factors of 27818 are 2, 7, 1987. Prime factorization of 27818 in exponential form is:

27818 = 2¹ × 7¹ × 1987¹

Step-2: Prime Factorization of 27830

Prime factors of 27830 are 2, 5, 11, 23. Prime factorization of 27830 in exponential form is:

27830 = 2¹ × 5¹ × 11² × 23¹

Step-3: Factors of 27818

List of positive integer factors of 27818 that divides 27818 without a remainder.

1, 2, 7, 14, 1987, 3974, 13909

Step-4: Factors of 27830

List of positive integer factors of 27830 that divides 27818 without a remainder.

1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 1210, 1265, 2530, 2783, 5566, 13915

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27818 and 27830. The biggest common factor number is the GCF number.
So the greatest common factor 27818 and 27830 is 2.

Also check out the Least Common Multiple of 27818 and 27830