What is the Least Common Multiple of 18783 and 18792?

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 18783 and 18792 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18783 and 18792, than apply into the LCM equation.

GCF(18783,18792) = 9
LCM(18783,18792) = ( 18783 × 18792) / 9
LCM(18783,18792) = 352970136 / 9
LCM(18783,18792) = 39218904

Least Common Multiple (LCM) of 18783 and 18792 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18783 and 18792. First we will calculate the prime factors of 18783 and 18792.

Prime Factorization of 18783

Prime Factorization of 18792

Now multiplying the highest exponent prime factors to calculate the LCM of 18783 and 18792.

LCM(18783,18792) = 3⁴ × 2087¹ × 2³ × 29¹
LCM(18783,18792) = 39218904