What is the Least Common Multiple of 18728 and 18748?

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 18728 and 18748 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18728 and 18748, than apply into the LCM equation.

GCF(18728,18748) = 4
LCM(18728,18748) = ( 18728 × 18748) / 4
LCM(18728,18748) = 351112544 / 4
LCM(18728,18748) = 87778136

Least Common Multiple (LCM) of 18728 and 18748 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18728 and 18748. First we will calculate the prime factors of 18728 and 18748.

Prime Factorization of 18728

Prime Factorization of 18748

Now multiplying the highest exponent prime factors to calculate the LCM of 18728 and 18748.

LCM(18728,18748) = 2³ × 2341¹ × 43¹ × 109¹
LCM(18728,18748) = 87778136