What is the Greatest Common Factor of 38645 and 38649?

Greatest common factor (GCF) of 38645 and 38649 is 1.

GCF(38645,38649) = 1

We will now calculate the prime factors of 38645 and 38649, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38645 and 38649.

How to find the GCF of 38645 and 38649?

We will first find the prime factorization of 38645 and 38649. After we will calculate the factors of 38645 and 38649 and find the biggest common factor number .

Step-1: Prime Factorization of 38645

Prime factors of 38645 are 5, 59, 131. Prime factorization of 38645 in exponential form is:

38645 = 5¹ × 59¹ × 131¹

Step-2: Prime Factorization of 38649

Prime factors of 38649 are 3, 13, 991. Prime factorization of 38649 in exponential form is:

38649 = 3¹ × 13¹ × 991¹

Step-3: Factors of 38645

List of positive integer factors of 38645 that divides 38645 without a remainder.

1, 5, 59, 131, 295, 655, 7729

Step-4: Factors of 38649

List of positive integer factors of 38649 that divides 38645 without a remainder.

1, 3, 13, 39, 991, 2973, 12883

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38645 and 38649. The biggest common factor number is the GCF number.
So the greatest common factor 38645 and 38649 is 1.

Also check out the Least Common Multiple of 38645 and 38649