What is the Least Common Multiple of 40698 and 40718?

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 40698 and 40718 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40698 and 40718, than apply into the LCM equation.

GCF(40698,40718) = 2
LCM(40698,40718) = ( 40698 × 40718) / 2
LCM(40698,40718) = 1657141164 / 2
LCM(40698,40718) = 828570582

Least Common Multiple (LCM) of 40698 and 40718 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40698 and 40718. First we will calculate the prime factors of 40698 and 40718.

Prime Factorization of 40698

Prime Factorization of 40718

Now multiplying the highest exponent prime factors to calculate the LCM of 40698 and 40718.

LCM(40698,40718) = 2¹ × 3² × 7¹ × 17¹ × 19¹ × 20359¹
LCM(40698,40718) = 828570582