What is the Least Common Multiple of 18988 and 19004?

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 18988 and 19004 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18988 and 19004, than apply into the LCM equation.

GCF(18988,19004) = 4
LCM(18988,19004) = ( 18988 × 19004) / 4
LCM(18988,19004) = 360847952 / 4
LCM(18988,19004) = 90211988

Least Common Multiple (LCM) of 18988 and 19004 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18988 and 19004. First we will calculate the prime factors of 18988 and 19004.

Prime Factorization of 18988

Prime Factorization of 19004

Now multiplying the highest exponent prime factors to calculate the LCM of 18988 and 19004.

LCM(18988,19004) = 2² × 47¹ × 101¹ × 4751¹
LCM(18988,19004) = 90211988