What is the Greatest Common Factor of 2343 and 2355?

Greatest common factor (GCF) of 2343 and 2355 is 3.

GCF(2343,2355) = 3

We will now calculate the prime factors of 2343 and 2355, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2343 and 2355.

How to find the GCF of 2343 and 2355?

We will first find the prime factorization of 2343 and 2355. After we will calculate the factors of 2343 and 2355 and find the biggest common factor number .

Step-1: Prime Factorization of 2343

Prime factors of 2343 are 3, 11, 71. Prime factorization of 2343 in exponential form is:

2343 = 3¹ × 11¹ × 71¹

Step-2: Prime Factorization of 2355

Prime factors of 2355 are 3, 5, 157. Prime factorization of 2355 in exponential form is:

2355 = 3¹ × 5¹ × 157¹

Step-3: Factors of 2343

List of positive integer factors of 2343 that divides 2343 without a remainder.

1, 3, 11, 33, 71, 213, 781

Step-4: Factors of 2355

List of positive integer factors of 2355 that divides 2343 without a remainder.

1, 3, 5, 15, 157, 471, 785

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2343 and 2355. The biggest common factor number is the GCF number.
So the greatest common factor 2343 and 2355 is 3.

Also check out the Least Common Multiple of 2343 and 2355