What is the Greatest Common Factor of 2440 and 2444?

Greatest common factor (GCF) of 2440 and 2444 is 4.

GCF(2440,2444) = 4

We will now calculate the prime factors of 2440 and 2444, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2440 and 2444.

How to find the GCF of 2440 and 2444?

We will first find the prime factorization of 2440 and 2444. After we will calculate the factors of 2440 and 2444 and find the biggest common factor number .

Step-1: Prime Factorization of 2440

Prime factors of 2440 are 2, 5, 61. Prime factorization of 2440 in exponential form is:

2440 = 2³ × 5¹ × 61¹

Step-2: Prime Factorization of 2444

Prime factors of 2444 are 2, 13, 47. Prime factorization of 2444 in exponential form is:

2444 = 2² × 13¹ × 47¹

Step-3: Factors of 2440

List of positive integer factors of 2440 that divides 2440 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220

Step-4: Factors of 2444

List of positive integer factors of 2444 that divides 2440 without a remainder.

1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2440 and 2444. The biggest common factor number is the GCF number.
So the greatest common factor 2440 and 2444 is 4.

Also check out the Least Common Multiple of 2440 and 2444