GCF and LCM Calculator Logo

What is the Greatest Common Factor of 15308 and 15320?

Greatest common factor (GCF) of 15308 and 15320 is 4.

GCF(15308,15320) = 4

We will now calculate the prime factors of 15308 and 15320, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15308 and 15320.

GCF Calculator and
and

How to find the GCF of 15308 and 15320?

We will first find the prime factorization of 15308 and 15320. After we will calculate the factors of 15308 and 15320 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 15320

Prime factors of 15320 are 2, 5, 383. Prime factorization of 15320 in exponential form is:

15320 = 23 × 51 × 3831

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 15320

List of positive integer factors of 15320 that divides 15308 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15308 and 15320. The biggest common factor number is the GCF number.
So the greatest common factor 15308 and 15320 is 4.

Also check out the Least Common Multiple of 15308 and 15320