What is the Least Common Multiple of 40491 and 40503?

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 40491 and 40503 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40491 and 40503, than apply into the LCM equation.

GCF(40491,40503) = 3
LCM(40491,40503) = ( 40491 × 40503) / 3
LCM(40491,40503) = 1640006973 / 3
LCM(40491,40503) = 546668991

Least Common Multiple (LCM) of 40491 and 40503 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40491 and 40503. First we will calculate the prime factors of 40491 and 40503.

Prime Factorization of 40491

Prime Factorization of 40503

Now multiplying the highest exponent prime factors to calculate the LCM of 40491 and 40503.

LCM(40491,40503) = 3² × 11¹ × 409¹ × 23¹ × 587¹
LCM(40491,40503) = 546668991