What is the Greatest Common Factor of 64390 and 64407?

Greatest common factor (GCF) of 64390 and 64407 is 1.

GCF(64390,64407) = 1

We will now calculate the prime factors of 64390 and 64407, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64390 and 64407.

How to find the GCF of 64390 and 64407?

We will first find the prime factorization of 64390 and 64407. After we will calculate the factors of 64390 and 64407 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 64407

Prime factors of 64407 are 3, 7, 3067. Prime factorization of 64407 in exponential form is:

64407 = 3¹ × 7¹ × 3067¹

Step-3: Factors of 64390

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

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

Step-4: Factors of 64407

List of positive integer factors of 64407 that divides 64390 without a remainder.

1, 3, 7, 21, 3067, 9201, 21469

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64390 and 64407. The biggest common factor number is the GCF number.
So the greatest common factor 64390 and 64407 is 1.

Also check out the Least Common Multiple of 64390 and 64407