What is the Greatest Common Factor of 64386 and 64390?

Greatest common factor (GCF) of 64386 and 64390 is 2.

GCF(64386,64390) = 2

We will now calculate the prime factors of 64386 and 64390, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64386 and 64390.

How to find the GCF of 64386 and 64390?

We will first find the prime factorization of 64386 and 64390. After we will calculate the factors of 64386 and 64390 and find the biggest common factor number .

Step-1: Prime Factorization of 64386

Prime factors of 64386 are 2, 3, 7, 73. Prime factorization of 64386 in exponential form is:

64386 = 2¹ × 3² × 7² × 73¹

Step-2: Prime Factorization of 64390

Prime factors of 64390 are 2, 5, 47, 137. Prime factorization of 64390 in exponential form is:

64390 = 2¹ × 5¹ × 47¹ × 137¹

Step-3: Factors of 64386

List of positive integer factors of 64386 that divides 64386 without a remainder.

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 73, 98, 126, 146, 147, 219, 294, 438, 441, 511, 657, 882, 1022, 1314, 1533, 3066, 3577, 4599, 7154, 9198, 10731, 21462, 32193

Step-4: Factors of 64390

List of positive integer factors of 64390 that divides 64386 without a remainder.

1, 2, 5, 10, 47, 94, 137, 235, 274, 470, 685, 1370, 6439, 12878, 32195

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64386 and 64390. The biggest common factor number is the GCF number.
So the greatest common factor 64386 and 64390 is 2.

Also check out the Least Common Multiple of 64386 and 64390