What is the Least Common Multiple of 40312 and 40318?

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 40312 and 40318 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40312 and 40318, than apply into the LCM equation.

GCF(40312,40318) = 2
LCM(40312,40318) = ( 40312 × 40318) / 2
LCM(40312,40318) = 1625299216 / 2
LCM(40312,40318) = 812649608

Least Common Multiple (LCM) of 40312 and 40318 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40312 and 40318. First we will calculate the prime factors of 40312 and 40318.

Prime Factorization of 40312

Prime Factorization of 40318

Now multiplying the highest exponent prime factors to calculate the LCM of 40312 and 40318.

LCM(40312,40318) = 2³ × 5039¹ × 19¹ × 1061¹
LCM(40312,40318) = 812649608