What is the Greatest Common Factor of 39505 and 39509?

Greatest common factor (GCF) of 39505 and 39509 is 1.

GCF(39505,39509) = 1

We will now calculate the prime factors of 39505 and 39509, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39505 and 39509.

How to find the GCF of 39505 and 39509?

We will first find the prime factorization of 39505 and 39509. After we will calculate the factors of 39505 and 39509 and find the biggest common factor number .

Step-1: Prime Factorization of 39505

Prime factors of 39505 are 5, 7901. Prime factorization of 39505 in exponential form is:

39505 = 5¹ × 7901¹

Step-2: Prime Factorization of 39509

Prime factors of 39509 are 39509. Prime factorization of 39509 in exponential form is:

39509 = 39509¹

Step-3: Factors of 39505

List of positive integer factors of 39505 that divides 39505 without a remainder.

1, 5, 7901

Step-4: Factors of 39509

List of positive integer factors of 39509 that divides 39505 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39505 and 39509. The biggest common factor number is the GCF number.
So the greatest common factor 39505 and 39509 is 1.

Also check out the Least Common Multiple of 39505 and 39509