GCF and LCM Calculator Logo

What is the Greatest Common Factor of 15105 and 15121?

Greatest common factor (GCF) of 15105 and 15121 is 1.

GCF(15105,15121) = 1

We will now calculate the prime factors of 15105 and 15121, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15105 and 15121.

GCF Calculator and
and

How to find the GCF of 15105 and 15121?

We will first find the prime factorization of 15105 and 15121. After we will calculate the factors of 15105 and 15121 and find the biggest common factor number .

Step-1: Prime Factorization of 15105

Prime factors of 15105 are 3, 5, 19, 53. Prime factorization of 15105 in exponential form is:

15105 = 31 × 51 × 191 × 531

Step-2: Prime Factorization of 15121

Prime factors of 15121 are 15121. Prime factorization of 15121 in exponential form is:

15121 = 151211

Step-3: Factors of 15105

List of positive integer factors of 15105 that divides 15105 without a remainder.

1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 3021, 5035

Step-4: Factors of 15121

List of positive integer factors of 15121 that divides 15105 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15105 and 15121. The biggest common factor number is the GCF number.
So the greatest common factor 15105 and 15121 is 1.

Also check out the Least Common Multiple of 15105 and 15121