What is the Greatest Common Factor of 2478 and 2487?

Greatest common factor (GCF) of 2478 and 2487 is 3.

GCF(2478,2487) = 3

We will now calculate the prime factors of 2478 and 2487, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2478 and 2487.

How to find the GCF of 2478 and 2487?

We will first find the prime factorization of 2478 and 2487. After we will calculate the factors of 2478 and 2487 and find the biggest common factor number .

Step-1: Prime Factorization of 2478

Prime factors of 2478 are 2, 3, 7, 59. Prime factorization of 2478 in exponential form is:

2478 = 2¹ × 3¹ × 7¹ × 59¹

Step-2: Prime Factorization of 2487

Prime factors of 2487 are 3, 829. Prime factorization of 2487 in exponential form is:

2487 = 3¹ × 829¹

Step-3: Factors of 2478

List of positive integer factors of 2478 that divides 2478 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239

Step-4: Factors of 2487

List of positive integer factors of 2487 that divides 2478 without a remainder.

1, 3, 829

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2478 and 2487. The biggest common factor number is the GCF number.
So the greatest common factor 2478 and 2487 is 3.

Also check out the Least Common Multiple of 2478 and 2487