gcd of 12 and 24 — step-by-step solution

To calculate the GCD (greatest common divisor), we first decompose the numbers into prime factors.

12

2^{2} \times 3

24

2^{3} \times 3

We keep the common prime factors with their smallest exponent.

▶

pgcd (12, 24)

2^{2} \times 3

12