What is the Greatest Common Factor of 43276 and 43280?

Greatest common factor (GCF) of 43276 and 43280 is 4.

GCF(43276,43280) = 4

We will now calculate the prime factors of 43276 and 43280, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43276 and 43280.

How to find the GCF of 43276 and 43280?

We will first find the prime factorization of 43276 and 43280. After we will calculate the factors of 43276 and 43280 and find the biggest common factor number .

Step-1: Prime Factorization of 43276

Prime factors of 43276 are 2, 31, 349. Prime factorization of 43276 in exponential form is:

43276 = 2² × 31¹ × 349¹

Step-2: Prime Factorization of 43280

Prime factors of 43280 are 2, 5, 541. Prime factorization of 43280 in exponential form is:

43280 = 2⁴ × 5¹ × 541¹

Step-3: Factors of 43276

List of positive integer factors of 43276 that divides 43276 without a remainder.

1, 2, 4, 31, 62, 124, 349, 698, 1396, 10819, 21638

Step-4: Factors of 43280

List of positive integer factors of 43280 that divides 43276 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2164, 2705, 4328, 5410, 8656, 10820, 21640

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43276 and 43280. The biggest common factor number is the GCF number.
So the greatest common factor 43276 and 43280 is 4.

Also check out the Least Common Multiple of 43276 and 43280