What is the Least Common Multiple of 40278 and 40286?

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 40278 and 40286 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40278 and 40286, than apply into the LCM equation.

GCF(40278,40286) = 2
LCM(40278,40286) = ( 40278 × 40286) / 2
LCM(40278,40286) = 1622639508 / 2
LCM(40278,40286) = 811319754

Least Common Multiple (LCM) of 40278 and 40286 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40278 and 40286. First we will calculate the prime factors of 40278 and 40286.

Prime Factorization of 40278

Prime Factorization of 40286

Now multiplying the highest exponent prime factors to calculate the LCM of 40278 and 40286.

LCM(40278,40286) = 2¹ × 3¹ × 7² × 137¹ × 20143¹
LCM(40278,40286) = 811319754