What is the Greatest Common Factor of 2340 and 2356?

Greatest common factor (GCF) of 2340 and 2356 is 4.

GCF(2340,2356) = 4

We will now calculate the prime factors of 2340 and 2356, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2340 and 2356.

How to find the GCF of 2340 and 2356?

We will first find the prime factorization of 2340 and 2356. After we will calculate the factors of 2340 and 2356 and find the biggest common factor number .

Step-1: Prime Factorization of 2340

Prime factors of 2340 are 2, 3, 5, 13. Prime factorization of 2340 in exponential form is:

2340 = 2² × 3² × 5¹ × 13¹

Step-2: Prime Factorization of 2356

Prime factors of 2356 are 2, 19, 31. Prime factorization of 2356 in exponential form is:

2356 = 2² × 19¹ × 31¹

Step-3: Factors of 2340

List of positive integer factors of 2340 that divides 2340 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170

Step-4: Factors of 2356

List of positive integer factors of 2356 that divides 2340 without a remainder.

1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2340 and 2356. The biggest common factor number is the GCF number.
So the greatest common factor 2340 and 2356 is 4.

Also check out the Least Common Multiple of 2340 and 2356