What is the Greatest Common Factor of 85816 and 85836?

Greatest common factor (GCF) of 85816 and 85836 is 4.

GCF(85816,85836) = 4

We will now calculate the prime factors of 85816 and 85836, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85816 and 85836.

How to find the GCF of 85816 and 85836?

We will first find the prime factorization of 85816 and 85836. After we will calculate the factors of 85816 and 85836 and find the biggest common factor number .

Step-1: Prime Factorization of 85816

Prime factors of 85816 are 2, 17, 631. Prime factorization of 85816 in exponential form is:

85816 = 2³ × 17¹ × 631¹

Step-2: Prime Factorization of 85836

Prime factors of 85836 are 2, 3, 23, 311. Prime factorization of 85836 in exponential form is:

85836 = 2² × 3¹ × 23¹ × 311¹

Step-3: Factors of 85816

List of positive integer factors of 85816 that divides 85816 without a remainder.

1, 2, 4, 8, 17, 34, 68, 136, 631, 1262, 2524, 5048, 10727, 21454, 42908

Step-4: Factors of 85836

List of positive integer factors of 85836 that divides 85816 without a remainder.

1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 311, 622, 933, 1244, 1866, 3732, 7153, 14306, 21459, 28612, 42918

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85816 and 85836. The biggest common factor number is the GCF number.
So the greatest common factor 85816 and 85836 is 4.

Also check out the Least Common Multiple of 85816 and 85836