What is the Greatest Common Factor of 85422 and 85440?

Greatest common factor (GCF) of 85422 and 85440 is 6.

GCF(85422,85440) = 6

We will now calculate the prime factors of 85422 and 85440, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85422 and 85440.

How to find the GCF of 85422 and 85440?

We will first find the prime factorization of 85422 and 85440. After we will calculate the factors of 85422 and 85440 and find the biggest common factor number .

Step-1: Prime Factorization of 85422

Prime factors of 85422 are 2, 3, 23, 619. Prime factorization of 85422 in exponential form is:

85422 = 2¹ × 3¹ × 23¹ × 619¹

Step-2: Prime Factorization of 85440

Prime factors of 85440 are 2, 3, 5, 89. Prime factorization of 85440 in exponential form is:

85440 = 2⁶ × 3¹ × 5¹ × 89¹

Step-3: Factors of 85422

List of positive integer factors of 85422 that divides 85422 without a remainder.

1, 2, 3, 6, 23, 46, 69, 138, 619, 1238, 1857, 3714, 14237, 28474, 42711

Step-4: Factors of 85440

List of positive integer factors of 85440 that divides 85422 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 160, 178, 192, 240, 267, 320, 356, 445, 480, 534, 712, 890, 960, 1068, 1335, 1424, 1780, 2136, 2670, 2848, 3560, 4272, 5340, 5696, 7120, 8544, 10680, 14240, 17088, 21360, 28480, 42720

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85422 and 85440. The biggest common factor number is the GCF number.
So the greatest common factor 85422 and 85440 is 6.

Also check out the Least Common Multiple of 85422 and 85440