What is the Greatest Common Factor of 42816 and 42830?

Greatest common factor (GCF) of 42816 and 42830 is 2.

GCF(42816,42830) = 2

We will now calculate the prime factors of 42816 and 42830, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42816 and 42830.

How to find the GCF of 42816 and 42830?

We will first find the prime factorization of 42816 and 42830. After we will calculate the factors of 42816 and 42830 and find the biggest common factor number .

Step-1: Prime Factorization of 42816

Prime factors of 42816 are 2, 3, 223. Prime factorization of 42816 in exponential form is:

42816 = 2⁶ × 3¹ × 223¹

Step-2: Prime Factorization of 42830

Prime factors of 42830 are 2, 5, 4283. Prime factorization of 42830 in exponential form is:

42830 = 2¹ × 5¹ × 4283¹

Step-3: Factors of 42816

List of positive integer factors of 42816 that divides 42816 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 223, 446, 669, 892, 1338, 1784, 2676, 3568, 5352, 7136, 10704, 14272, 21408

Step-4: Factors of 42830

List of positive integer factors of 42830 that divides 42816 without a remainder.

1, 2, 5, 10, 4283, 8566, 21415

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42816 and 42830. The biggest common factor number is the GCF number.
So the greatest common factor 42816 and 42830 is 2.

Also check out the Least Common Multiple of 42816 and 42830