What is the Greatest Common Factor of 2420 and 2436?

Greatest common factor (GCF) of 2420 and 2436 is 4.

GCF(2420,2436) = 4

We will now calculate the prime factors of 2420 and 2436, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2420 and 2436.

How to find the GCF of 2420 and 2436?

We will first find the prime factorization of 2420 and 2436. After we will calculate the factors of 2420 and 2436 and find the biggest common factor number .

Step-1: Prime Factorization of 2420

Prime factors of 2420 are 2, 5, 11. Prime factorization of 2420 in exponential form is:

2420 = 2² × 5¹ × 11²

Step-2: Prime Factorization of 2436

Prime factors of 2436 are 2, 3, 7, 29. Prime factorization of 2436 in exponential form is:

2436 = 2² × 3¹ × 7¹ × 29¹

Step-3: Factors of 2420

List of positive integer factors of 2420 that divides 2420 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210

Step-4: Factors of 2436

List of positive integer factors of 2436 that divides 2420 without a remainder.

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2420 and 2436. The biggest common factor number is the GCF number.
So the greatest common factor 2420 and 2436 is 4.

Also check out the Least Common Multiple of 2420 and 2436