What is the Greatest Common Factor of 82144 and 82156?

Greatest common factor (GCF) of 82144 and 82156 is 4.

GCF(82144,82156) = 4

We will now calculate the prime factors of 82144 and 82156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82144 and 82156.

How to find the GCF of 82144 and 82156?

We will first find the prime factorization of 82144 and 82156. After we will calculate the factors of 82144 and 82156 and find the biggest common factor number .

Step-1: Prime Factorization of 82144

Prime factors of 82144 are 2, 17, 151. Prime factorization of 82144 in exponential form is:

82144 = 2⁵ × 17¹ × 151¹

Step-2: Prime Factorization of 82156

Prime factors of 82156 are 2, 19, 23, 47. Prime factorization of 82156 in exponential form is:

82156 = 2² × 19¹ × 23¹ × 47¹

Step-3: Factors of 82144

List of positive integer factors of 82144 that divides 82144 without a remainder.

1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 151, 272, 302, 544, 604, 1208, 2416, 2567, 4832, 5134, 10268, 20536, 41072

Step-4: Factors of 82156

List of positive integer factors of 82156 that divides 82144 without a remainder.

1, 2, 4, 19, 23, 38, 46, 47, 76, 92, 94, 188, 437, 874, 893, 1081, 1748, 1786, 2162, 3572, 4324, 20539, 41078

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82144 and 82156. The biggest common factor number is the GCF number.
So the greatest common factor 82144 and 82156 is 4.

Also check out the Least Common Multiple of 82144 and 82156