What is the Greatest Common Factor of 39385 and 39390?

Greatest common factor (GCF) of 39385 and 39390 is 5.

GCF(39385,39390) = 5

We will now calculate the prime factors of 39385 and 39390, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39385 and 39390.

How to find the GCF of 39385 and 39390?

We will first find the prime factorization of 39385 and 39390. After we will calculate the factors of 39385 and 39390 and find the biggest common factor number .

Step-1: Prime Factorization of 39385

Prime factors of 39385 are 5, 7877. Prime factorization of 39385 in exponential form is:

39385 = 5¹ × 7877¹

Step-2: Prime Factorization of 39390

Prime factors of 39390 are 2, 3, 5, 13, 101. Prime factorization of 39390 in exponential form is:

39390 = 2¹ × 3¹ × 5¹ × 13¹ × 101¹

Step-3: Factors of 39385

List of positive integer factors of 39385 that divides 39385 without a remainder.

1, 5, 7877

Step-4: Factors of 39390

List of positive integer factors of 39390 that divides 39385 without a remainder.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 505, 606, 1010, 1313, 1515, 2626, 3030, 3939, 6565, 7878, 13130, 19695

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39385 and 39390. The biggest common factor number is the GCF number.
So the greatest common factor 39385 and 39390 is 5.

Also check out the Least Common Multiple of 39385 and 39390