What is the Greatest Common Factor of 67905 and 67909?

Greatest common factor (GCF) of 67905 and 67909 is 1.

GCF(67905,67909) = 1

We will now calculate the prime factors of 67905 and 67909, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67905 and 67909.

How to find the GCF of 67905 and 67909?

We will first find the prime factorization of 67905 and 67909. After we will calculate the factors of 67905 and 67909 and find the biggest common factor number .

Step-1: Prime Factorization of 67905

Prime factors of 67905 are 3, 5, 503. Prime factorization of 67905 in exponential form is:

67905 = 3³ × 5¹ × 503¹

Step-2: Prime Factorization of 67909

Prime factors of 67909 are 59, 1151. Prime factorization of 67909 in exponential form is:

67909 = 59¹ × 1151¹

Step-3: Factors of 67905

List of positive integer factors of 67905 that divides 67905 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 503, 1509, 2515, 4527, 7545, 13581, 22635

Step-4: Factors of 67909

List of positive integer factors of 67909 that divides 67905 without a remainder.

1, 59, 1151

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67905 and 67909. The biggest common factor number is the GCF number.
So the greatest common factor 67905 and 67909 is 1.

Also check out the Least Common Multiple of 67905 and 67909