What is the Greatest Common Factor of 64405 and 64415?

Greatest common factor (GCF) of 64405 and 64415 is 5.

GCF(64405,64415) = 5

We will now calculate the prime factors of 64405 and 64415, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64405 and 64415.

How to find the GCF of 64405 and 64415?

We will first find the prime factorization of 64405 and 64415. After we will calculate the factors of 64405 and 64415 and find the biggest common factor number .

Step-1: Prime Factorization of 64405

Prime factors of 64405 are 5, 11, 1171. Prime factorization of 64405 in exponential form is:

64405 = 5¹ × 11¹ × 1171¹

Step-2: Prime Factorization of 64415

Prime factors of 64415 are 5, 13, 991. Prime factorization of 64415 in exponential form is:

64415 = 5¹ × 13¹ × 991¹

Step-3: Factors of 64405

List of positive integer factors of 64405 that divides 64405 without a remainder.

1, 5, 11, 55, 1171, 5855, 12881

Step-4: Factors of 64415

List of positive integer factors of 64415 that divides 64405 without a remainder.

1, 5, 13, 65, 991, 4955, 12883

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64405 and 64415. The biggest common factor number is the GCF number.
So the greatest common factor 64405 and 64415 is 5.

Also check out the Least Common Multiple of 64405 and 64415