What is the Greatest Common Factor of 78117 and 78121?

Greatest common factor (GCF) of 78117 and 78121 is 1.

GCF(78117,78121) = 1

We will now calculate the prime factors of 78117 and 78121, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78117 and 78121.

How to find the GCF of 78117 and 78121?

We will first find the prime factorization of 78117 and 78121. After we will calculate the factors of 78117 and 78121 and find the biggest common factor number .

Step-1: Prime Factorization of 78117

Prime factors of 78117 are 3, 13, 2003. Prime factorization of 78117 in exponential form is:

78117 = 3¹ × 13¹ × 2003¹

Step-2: Prime Factorization of 78121

Prime factors of 78121 are 78121. Prime factorization of 78121 in exponential form is:

78121 = 78121¹

Step-3: Factors of 78117

List of positive integer factors of 78117 that divides 78117 without a remainder.

1, 3, 13, 39, 2003, 6009, 26039

Step-4: Factors of 78121

List of positive integer factors of 78121 that divides 78117 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78117 and 78121. The biggest common factor number is the GCF number.
So the greatest common factor 78117 and 78121 is 1.

Also check out the Least Common Multiple of 78117 and 78121