What is the Least Common Multiple of 18042 and 18060?

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 18042 and 18060 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18042 and 18060, than apply into the LCM equation.

GCF(18042,18060) = 6
LCM(18042,18060) = ( 18042 × 18060) / 6
LCM(18042,18060) = 325838520 / 6
LCM(18042,18060) = 54306420

Least Common Multiple (LCM) of 18042 and 18060 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18042 and 18060. First we will calculate the prime factors of 18042 and 18060.

Prime Factorization of 18042

Prime Factorization of 18060

Now multiplying the highest exponent prime factors to calculate the LCM of 18042 and 18060.

LCM(18042,18060) = 2² × 3¹ × 31¹ × 97¹ × 5¹ × 7¹ × 43¹
LCM(18042,18060) = 54306420