What is the Greatest Common Factor of 67389 and 67409?

Greatest common factor (GCF) of 67389 and 67409 is 1.

GCF(67389,67409) = 1

We will now calculate the prime factors of 67389 and 67409, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67389 and 67409.

How to find the GCF of 67389 and 67409?

We will first find the prime factorization of 67389 and 67409. After we will calculate the factors of 67389 and 67409 and find the biggest common factor number .

Step-1: Prime Factorization of 67389

Prime factors of 67389 are 3, 7, 3209. Prime factorization of 67389 in exponential form is:

67389 = 3¹ × 7¹ × 3209¹

Step-2: Prime Factorization of 67409

Prime factors of 67409 are 67409. Prime factorization of 67409 in exponential form is:

67409 = 67409¹

Step-3: Factors of 67389

List of positive integer factors of 67389 that divides 67389 without a remainder.

1, 3, 7, 21, 3209, 9627, 22463

Step-4: Factors of 67409

List of positive integer factors of 67409 that divides 67389 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67389 and 67409. The biggest common factor number is the GCF number.
So the greatest common factor 67389 and 67409 is 1.

Also check out the Least Common Multiple of 67389 and 67409