What is the Greatest Common Factor of 43680 and 43700?

Greatest common factor (GCF) of 43680 and 43700 is 20.

GCF(43680,43700) = 20

We will now calculate the prime factors of 43680 and 43700, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43680 and 43700.

How to find the GCF of 43680 and 43700?

We will first find the prime factorization of 43680 and 43700. After we will calculate the factors of 43680 and 43700 and find the biggest common factor number .

Step-1: Prime Factorization of 43680

Prime factors of 43680 are 2, 3, 5, 7, 13. Prime factorization of 43680 in exponential form is:

43680 = 2⁵ × 3¹ × 5¹ × 7¹ × 13¹

Step-2: Prime Factorization of 43700

Prime factors of 43700 are 2, 5, 19, 23. Prime factorization of 43700 in exponential form is:

43700 = 2² × 5² × 19¹ × 23¹

Step-3: Factors of 43680

List of positive integer factors of 43680 that divides 43680 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 4368, 5460, 6240, 7280, 8736, 10920, 14560, 21840

Step-4: Factors of 43700

List of positive integer factors of 43700 that divides 43680 without a remainder.

1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 475, 575, 874, 950, 1150, 1748, 1900, 2185, 2300, 4370, 8740, 10925, 21850

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43680 and 43700. The biggest common factor number is the GCF number.
So the greatest common factor 43680 and 43700 is 20.

Also check out the Least Common Multiple of 43680 and 43700