What is the Least Common Multiple of 40178 and 40189?

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 40178 and 40189 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40178 and 40189, than apply into the LCM equation.

GCF(40178,40189) = 1
LCM(40178,40189) = ( 40178 × 40189) / 1
LCM(40178,40189) = 1614713642 / 1
LCM(40178,40189) = 1614713642

Least Common Multiple (LCM) of 40178 and 40189 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40178 and 40189. First we will calculate the prime factors of 40178 and 40189.

Prime Factorization of 40178

Prime Factorization of 40189

Now multiplying the highest exponent prime factors to calculate the LCM of 40178 and 40189.

LCM(40178,40189) = 2¹ × 20089¹ × 40189¹
LCM(40178,40189) = 1614713642