What is the Least Common Multiple of 19312 and 19330?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 19312 and 19330 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19312 and 19330, than apply into the LCM equation.

GCF(19312,19330) = 2
LCM(19312,19330) = ( 19312 × 19330) / 2
LCM(19312,19330) = 373300960 / 2
LCM(19312,19330) = 186650480

Least Common Multiple (LCM) of 19312 and 19330 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19312 and 19330. First we will calculate the prime factors of 19312 and 19330.

Prime Factorization of 19312

Prime Factorization of 19330

Now multiplying the highest exponent prime factors to calculate the LCM of 19312 and 19330.

LCM(19312,19330) = 2⁴ × 17¹ × 71¹ × 5¹ × 1933¹
LCM(19312,19330) = 186650480