What is the Greatest Common Factor of 43880 and 43890?

Greatest common factor (GCF) of 43880 and 43890 is 10.

GCF(43880,43890) = 10

We will now calculate the prime factors of 43880 and 43890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43880 and 43890.

How to find the GCF of 43880 and 43890?

We will first find the prime factorization of 43880 and 43890. After we will calculate the factors of 43880 and 43890 and find the biggest common factor number .

Step-1: Prime Factorization of 43880

Prime factors of 43880 are 2, 5, 1097. Prime factorization of 43880 in exponential form is:

43880 = 2³ × 5¹ × 1097¹

Step-2: Prime Factorization of 43890

Prime factors of 43890 are 2, 3, 5, 7, 11, 19. Prime factorization of 43890 in exponential form is:

43890 = 2¹ × 3¹ × 5¹ × 7¹ × 11¹ × 19¹

Step-3: Factors of 43880

List of positive integer factors of 43880 that divides 43880 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1097, 2194, 4388, 5485, 8776, 10970, 21940

Step-4: Factors of 43890

List of positive integer factors of 43890 that divides 43880 without a remainder.

1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 55, 57, 66, 70, 77, 95, 105, 110, 114, 133, 154, 165, 190, 209, 210, 231, 266, 285, 330, 385, 399, 418, 462, 570, 627, 665, 770, 798, 1045, 1155, 1254, 1330, 1463, 1995, 2090, 2310, 2926, 3135, 3990, 4389, 6270, 7315, 8778, 14630, 21945

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43880 and 43890. The biggest common factor number is the GCF number.
So the greatest common factor 43880 and 43890 is 10.

Also check out the Least Common Multiple of 43880 and 43890