What is the Greatest Common Factor of 2490 and 2499?

Greatest common factor (GCF) of 2490 and 2499 is 3.

GCF(2490,2499) = 3

We will now calculate the prime factors of 2490 and 2499, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2490 and 2499.

How to find the GCF of 2490 and 2499?

We will first find the prime factorization of 2490 and 2499. After we will calculate the factors of 2490 and 2499 and find the biggest common factor number .

Step-1: Prime Factorization of 2490

Prime factors of 2490 are 2, 3, 5, 83. Prime factorization of 2490 in exponential form is:

2490 = 2¹ × 3¹ × 5¹ × 83¹

Step-2: Prime Factorization of 2499

Prime factors of 2499 are 3, 7, 17. Prime factorization of 2499 in exponential form is:

2499 = 3¹ × 7² × 17¹

Step-3: Factors of 2490

List of positive integer factors of 2490 that divides 2490 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245

Step-4: Factors of 2499

List of positive integer factors of 2499 that divides 2490 without a remainder.

1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2490 and 2499. The biggest common factor number is the GCF number.
So the greatest common factor 2490 and 2499 is 3.

Also check out the Least Common Multiple of 2490 and 2499