What is the Greatest Common Factor of 84438 and 84456?

Greatest common factor (GCF) of 84438 and 84456 is 18.

GCF(84438,84456) = 18

We will now calculate the prime factors of 84438 and 84456, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84438 and 84456.

How to find the GCF of 84438 and 84456?

We will first find the prime factorization of 84438 and 84456. After we will calculate the factors of 84438 and 84456 and find the biggest common factor number .

Step-1: Prime Factorization of 84438

Prime factors of 84438 are 2, 3, 4691. Prime factorization of 84438 in exponential form is:

84438 = 2¹ × 3² × 4691¹

Step-2: Prime Factorization of 84456

Prime factors of 84456 are 2, 3, 17, 23. Prime factorization of 84456 in exponential form is:

84456 = 2³ × 3³ × 17¹ × 23¹

Step-3: Factors of 84438

List of positive integer factors of 84438 that divides 84438 without a remainder.

1, 2, 3, 6, 9, 18, 4691, 9382, 14073, 28146, 42219

Step-4: Factors of 84456

List of positive integer factors of 84456 that divides 84438 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 23, 24, 27, 34, 36, 46, 51, 54, 68, 69, 72, 92, 102, 108, 136, 138, 153, 184, 204, 207, 216, 276, 306, 391, 408, 414, 459, 552, 612, 621, 782, 828, 918, 1173, 1224, 1242, 1564, 1656, 1836, 2346, 2484, 3128, 3519, 3672, 4692, 4968, 7038, 9384, 10557, 14076, 21114, 28152, 42228

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84438 and 84456. The biggest common factor number is the GCF number.
So the greatest common factor 84438 and 84456 is 18.

Also check out the Least Common Multiple of 84438 and 84456