What is the Greatest Common Factor of 43028 and 43040?

Greatest common factor (GCF) of 43028 and 43040 is 4.

GCF(43028,43040) = 4

We will now calculate the prime factors of 43028 and 43040, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43028 and 43040.

How to find the GCF of 43028 and 43040?

We will first find the prime factorization of 43028 and 43040. After we will calculate the factors of 43028 and 43040 and find the biggest common factor number .

Step-1: Prime Factorization of 43028

Prime factors of 43028 are 2, 31, 347. Prime factorization of 43028 in exponential form is:

43028 = 2² × 31¹ × 347¹

Step-2: Prime Factorization of 43040

Prime factors of 43040 are 2, 5, 269. Prime factorization of 43040 in exponential form is:

43040 = 2⁵ × 5¹ × 269¹

Step-3: Factors of 43028

List of positive integer factors of 43028 that divides 43028 without a remainder.

1, 2, 4, 31, 62, 124, 347, 694, 1388, 10757, 21514

Step-4: Factors of 43040

List of positive integer factors of 43040 that divides 43028 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 8608, 10760, 21520

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43028 and 43040. The biggest common factor number is the GCF number.
So the greatest common factor 43028 and 43040 is 4.

Also check out the Least Common Multiple of 43028 and 43040