What is the Greatest Common Factor of 15308 and 15315?

Greatest common factor (GCF) of 15308 and 15315 is 1.

GCF(15308,15315) = 1

We will now calculate the prime factors of 15308 and 15315, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15308 and 15315.

How to find the GCF of 15308 and 15315?

We will first find the prime factorization of 15308 and 15315. After we will calculate the factors of 15308 and 15315 and find the biggest common factor number .

Step-1: Prime Factorization of 15308

Prime factors of 15308 are 2, 43, 89. Prime factorization of 15308 in exponential form is:

15308 = 2² × 43¹ × 89¹

Step-2: Prime Factorization of 15315

Prime factors of 15315 are 3, 5, 1021. Prime factorization of 15315 in exponential form is:

15315 = 3¹ × 5¹ × 1021¹

Step-3: Factors of 15308

List of positive integer factors of 15308 that divides 15308 without a remainder.

1, 2, 4, 43, 86, 89, 172, 178, 356, 3827, 7654

Step-4: Factors of 15315

List of positive integer factors of 15315 that divides 15308 without a remainder.

1, 3, 5, 15, 1021, 3063, 5105

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15308 and 15315. The biggest common factor number is the GCF number.
So the greatest common factor 15308 and 15315 is 1.

Also check out the Least Common Multiple of 15308 and 15315