What is the Least Common Multiple of 40472 and 40476?

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 40472 and 40476 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40472 and 40476, than apply into the LCM equation.

GCF(40472,40476) = 4
LCM(40472,40476) = ( 40472 × 40476) / 4
LCM(40472,40476) = 1638144672 / 4
LCM(40472,40476) = 409536168

Least Common Multiple (LCM) of 40472 and 40476 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40472 and 40476. First we will calculate the prime factors of 40472 and 40476.

Prime Factorization of 40472

Prime Factorization of 40476

Now multiplying the highest exponent prime factors to calculate the LCM of 40472 and 40476.

LCM(40472,40476) = 2³ × 5059¹ × 3¹ × 3373¹
LCM(40472,40476) = 409536168