What is the Greatest Common Factor of 74228 and 74240?

Greatest common factor (GCF) of 74228 and 74240 is 4.

GCF(74228,74240) = 4

We will now calculate the prime factors of 74228 and 74240, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74228 and 74240.

How to find the GCF of 74228 and 74240?

We will first find the prime factorization of 74228 and 74240. After we will calculate the factors of 74228 and 74240 and find the biggest common factor number .

Step-1: Prime Factorization of 74228

Prime factors of 74228 are 2, 7, 11, 241. Prime factorization of 74228 in exponential form is:

74228 = 2² × 7¹ × 11¹ × 241¹

Step-2: Prime Factorization of 74240

Prime factors of 74240 are 2, 5, 29. Prime factorization of 74240 in exponential form is:

74240 = 2⁹ × 5¹ × 29¹

Step-3: Factors of 74228

List of positive integer factors of 74228 that divides 74228 without a remainder.

1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 241, 308, 482, 964, 1687, 2651, 3374, 5302, 6748, 10604, 18557, 37114

Step-4: Factors of 74240

List of positive integer factors of 74240 that divides 74228 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1160, 1280, 1856, 2320, 2560, 3712, 4640, 7424, 9280, 14848, 18560, 37120

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74228 and 74240. The biggest common factor number is the GCF number.
So the greatest common factor 74228 and 74240 is 4.

Also check out the Least Common Multiple of 74228 and 74240