What is the Greatest Common Factor of 42306 and 42320?

Greatest common factor (GCF) of 42306 and 42320 is 2.

GCF(42306,42320) = 2

We will now calculate the prime factors of 42306 and 42320, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42306 and 42320.

How to find the GCF of 42306 and 42320?

We will first find the prime factorization of 42306 and 42320. After we will calculate the factors of 42306 and 42320 and find the biggest common factor number .

Step-1: Prime Factorization of 42306

Prime factors of 42306 are 2, 3, 11, 641. Prime factorization of 42306 in exponential form is:

42306 = 2¹ × 3¹ × 11¹ × 641¹

Step-2: Prime Factorization of 42320

Prime factors of 42320 are 2, 5, 23. Prime factorization of 42320 in exponential form is:

42320 = 2⁴ × 5¹ × 23²

Step-3: Factors of 42306

List of positive integer factors of 42306 that divides 42306 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 641, 1282, 1923, 3846, 7051, 14102, 21153

Step-4: Factors of 42320

List of positive integer factors of 42320 that divides 42306 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 529, 920, 1058, 1840, 2116, 2645, 4232, 5290, 8464, 10580, 21160

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42306 and 42320. The biggest common factor number is the GCF number.
So the greatest common factor 42306 and 42320 is 2.

Also check out the Least Common Multiple of 42306 and 42320