What is the Least Common Multiple of 17987 and 18002?

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 17987 and 18002 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17987 and 18002, than apply into the LCM equation.

GCF(17987,18002) = 1
LCM(17987,18002) = ( 17987 × 18002) / 1
LCM(17987,18002) = 323801974 / 1
LCM(17987,18002) = 323801974

Least Common Multiple (LCM) of 17987 and 18002 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17987 and 18002. First we will calculate the prime factors of 17987 and 18002.

Prime Factorization of 17987

Prime Factorization of 18002

Now multiplying the highest exponent prime factors to calculate the LCM of 17987 and 18002.

LCM(17987,18002) = 17987¹ × 2¹ × 9001¹
LCM(17987,18002) = 323801974