What is the Greatest Common Factor of 43240 and 43260?

Greatest common factor (GCF) of 43240 and 43260 is 20.

GCF(43240,43260) = 20

We will now calculate the prime factors of 43240 and 43260, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43240 and 43260.

How to find the GCF of 43240 and 43260?

We will first find the prime factorization of 43240 and 43260. After we will calculate the factors of 43240 and 43260 and find the biggest common factor number .

Step-1: Prime Factorization of 43240

Prime factors of 43240 are 2, 5, 23, 47. Prime factorization of 43240 in exponential form is:

43240 = 2³ × 5¹ × 23¹ × 47¹

Step-2: Prime Factorization of 43260

Prime factors of 43260 are 2, 3, 5, 7, 103. Prime factorization of 43260 in exponential form is:

43260 = 2² × 3¹ × 5¹ × 7¹ × 103¹

Step-3: Factors of 43240

List of positive integer factors of 43240 that divides 43240 without a remainder.

1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 2162, 4324, 5405, 8648, 10810, 21620

Step-4: Factors of 43260

List of positive integer factors of 43260 that divides 43240 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 412, 420, 515, 618, 721, 1030, 1236, 1442, 1545, 2060, 2163, 2884, 3090, 3605, 4326, 6180, 7210, 8652, 10815, 14420, 21630

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43240 and 43260. The biggest common factor number is the GCF number.
So the greatest common factor 43240 and 43260 is 20.

Also check out the Least Common Multiple of 43240 and 43260