What is the Greatest Common Factor of 66144 and 66164?

Greatest common factor (GCF) of 66144 and 66164 is 4.

GCF(66144,66164) = 4

We will now calculate the prime factors of 66144 and 66164, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66144 and 66164.

How to find the GCF of 66144 and 66164?

We will first find the prime factorization of 66144 and 66164. After we will calculate the factors of 66144 and 66164 and find the biggest common factor number .

Step-1: Prime Factorization of 66144

Prime factors of 66144 are 2, 3, 13, 53. Prime factorization of 66144 in exponential form is:

66144 = 2⁵ × 3¹ × 13¹ × 53¹

Step-2: Prime Factorization of 66164

Prime factors of 66164 are 2, 7, 17, 139. Prime factorization of 66164 in exponential form is:

66164 = 2² × 7¹ × 17¹ × 139¹

Step-3: Factors of 66144

List of positive integer factors of 66144 that divides 66144 without a remainder.

1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 53, 78, 96, 104, 106, 156, 159, 208, 212, 312, 318, 416, 424, 624, 636, 689, 848, 1248, 1272, 1378, 1696, 2067, 2544, 2756, 4134, 5088, 5512, 8268, 11024, 16536, 22048, 33072

Step-4: Factors of 66164

List of positive integer factors of 66164 that divides 66144 without a remainder.

1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 139, 238, 278, 476, 556, 973, 1946, 2363, 3892, 4726, 9452, 16541, 33082

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66144 and 66164. The biggest common factor number is the GCF number.
So the greatest common factor 66144 and 66164 is 4.

Also check out the Least Common Multiple of 66144 and 66164