What is the Greatest Common Factor of 27828 and 27840?

Greatest common factor (GCF) of 27828 and 27840 is 12.

GCF(27828,27840) = 12

We will now calculate the prime factors of 27828 and 27840, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27828 and 27840.

How to find the GCF of 27828 and 27840?

We will first find the prime factorization of 27828 and 27840. After we will calculate the factors of 27828 and 27840 and find the biggest common factor number .

Step-1: Prime Factorization of 27828

Prime factors of 27828 are 2, 3, 773. Prime factorization of 27828 in exponential form is:

27828 = 2² × 3² × 773¹

Step-2: Prime Factorization of 27840

Prime factors of 27840 are 2, 3, 5, 29. Prime factorization of 27840 in exponential form is:

27840 = 2⁶ × 3¹ × 5¹ × 29¹

Step-3: Factors of 27828

List of positive integer factors of 27828 that divides 27828 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 773, 1546, 2319, 3092, 4638, 6957, 9276, 13914

Step-4: Factors of 27840

List of positive integer factors of 27840 that divides 27828 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 870, 928, 960, 1160, 1392, 1740, 1856, 2320, 2784, 3480, 4640, 5568, 6960, 9280, 13920

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27828 and 27840. The biggest common factor number is the GCF number.
So the greatest common factor 27828 and 27840 is 12.

Also check out the Least Common Multiple of 27828 and 27840