What is the Greatest Common Factor of 2418 and 2431?

Greatest common factor (GCF) of 2418 and 2431 is 13.

GCF(2418,2431) = 13

We will now calculate the prime factors of 2418 and 2431, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2418 and 2431.

How to find the GCF of 2418 and 2431?

We will first find the prime factorization of 2418 and 2431. After we will calculate the factors of 2418 and 2431 and find the biggest common factor number .

Step-1: Prime Factorization of 2418

Prime factors of 2418 are 2, 3, 13, 31. Prime factorization of 2418 in exponential form is:

2418 = 2¹ × 3¹ × 13¹ × 31¹

Step-2: Prime Factorization of 2431

Prime factors of 2431 are 11, 13, 17. Prime factorization of 2431 in exponential form is:

2431 = 11¹ × 13¹ × 17¹

Step-3: Factors of 2418

List of positive integer factors of 2418 that divides 2418 without a remainder.

1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209

Step-4: Factors of 2431

List of positive integer factors of 2431 that divides 2418 without a remainder.

1, 11, 13, 17, 143, 187, 221

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2418 and 2431. The biggest common factor number is the GCF number.
So the greatest common factor 2418 and 2431 is 13.

Also check out the Least Common Multiple of 2418 and 2431