What is the Least Common Multiple of 18486 and 18494?

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 18486 and 18494 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18486 and 18494, than apply into the LCM equation.

GCF(18486,18494) = 2
LCM(18486,18494) = ( 18486 × 18494) / 2
LCM(18486,18494) = 341880084 / 2
LCM(18486,18494) = 170940042

Least Common Multiple (LCM) of 18486 and 18494 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18486 and 18494. First we will calculate the prime factors of 18486 and 18494.

Prime Factorization of 18486

Prime Factorization of 18494

Now multiplying the highest exponent prime factors to calculate the LCM of 18486 and 18494.

LCM(18486,18494) = 2¹ × 3² × 13¹ × 79¹ × 7¹ × 1321¹
LCM(18486,18494) = 170940042