What is the Greatest Common Factor of 64149 and 64155?

Greatest common factor (GCF) of 64149 and 64155 is 3.

GCF(64149,64155) = 3

We will now calculate the prime factors of 64149 and 64155, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64149 and 64155.

How to find the GCF of 64149 and 64155?

We will first find the prime factorization of 64149 and 64155. After we will calculate the factors of 64149 and 64155 and find the biggest common factor number .

Step-1: Prime Factorization of 64149

Prime factors of 64149 are 3, 21383. Prime factorization of 64149 in exponential form is:

64149 = 3¹ × 21383¹

Step-2: Prime Factorization of 64155

Prime factors of 64155 are 3, 5, 7, 13, 47. Prime factorization of 64155 in exponential form is:

64155 = 3¹ × 5¹ × 7¹ × 13¹ × 47¹

Step-3: Factors of 64149

List of positive integer factors of 64149 that divides 64149 without a remainder.

1, 3, 21383

Step-4: Factors of 64155

List of positive integer factors of 64155 that divides 64149 without a remainder.

1, 3, 5, 7, 13, 15, 21, 35, 39, 47, 65, 91, 105, 141, 195, 235, 273, 329, 455, 611, 705, 987, 1365, 1645, 1833, 3055, 4277, 4935, 9165, 12831, 21385

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64149 and 64155. The biggest common factor number is the GCF number.
So the greatest common factor 64149 and 64155 is 3.

Also check out the Least Common Multiple of 64149 and 64155