What is the Greatest Common Factor of 56421 and 56430?

Greatest common factor (GCF) of 56421 and 56430 is 9.

GCF(56421,56430) = 9

We will now calculate the prime factors of 56421 and 56430, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 56421 and 56430.

How to find the GCF of 56421 and 56430?

We will first find the prime factorization of 56421 and 56430. After we will calculate the factors of 56421 and 56430 and find the biggest common factor number .

Step-1: Prime Factorization of 56421

Prime factors of 56421 are 3, 6269. Prime factorization of 56421 in exponential form is:

56421 = 3² × 6269¹

Step-2: Prime Factorization of 56430

Prime factors of 56430 are 2, 3, 5, 11, 19. Prime factorization of 56430 in exponential form is:

56430 = 2¹ × 3³ × 5¹ × 11¹ × 19¹

Step-3: Factors of 56421

List of positive integer factors of 56421 that divides 56421 without a remainder.

1, 3, 9, 6269, 18807

Step-4: Factors of 56430

List of positive integer factors of 56430 that divides 56421 without a remainder.

1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 90, 95, 99, 110, 114, 135, 165, 171, 190, 198, 209, 270, 285, 297, 330, 342, 418, 495, 513, 570, 594, 627, 855, 990, 1026, 1045, 1254, 1485, 1710, 1881, 2090, 2565, 2970, 3135, 3762, 5130, 5643, 6270, 9405, 11286, 18810, 28215

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 56421 and 56430. The biggest common factor number is the GCF number.
So the greatest common factor 56421 and 56430 is 9.

Also check out the Least Common Multiple of 56421 and 56430