What is the Greatest Common Factor of 40300 and 40320?

Greatest common factor (GCF) of 40300 and 40320 is 20.

GCF(40300,40320) = 20

We will now calculate the prime factors of 40300 and 40320, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40300 and 40320.

How to find the GCF of 40300 and 40320?

We will first find the prime factorization of 40300 and 40320. After we will calculate the factors of 40300 and 40320 and find the biggest common factor number .

Step-1: Prime Factorization of 40300

Prime factors of 40300 are 2, 5, 13, 31. Prime factorization of 40300 in exponential form is:

40300 = 2² × 5² × 13¹ × 31¹

Step-2: Prime Factorization of 40320

Prime factors of 40320 are 2, 3, 5, 7. Prime factorization of 40320 in exponential form is:

40320 = 2⁷ × 3² × 5¹ × 7¹

Step-3: Factors of 40300

List of positive integer factors of 40300 that divides 40300 without a remainder.

1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 8060, 10075, 20150

Step-4: Factors of 40320

List of positive integer factors of 40320 that divides 40300 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40300 and 40320. The biggest common factor number is the GCF number.
So the greatest common factor 40300 and 40320 is 20.

Also check out the Least Common Multiple of 40300 and 40320