What is the Least Common Multiple of 40131 and 40143?

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 40131 and 40143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40131 and 40143, than apply into the LCM equation.

GCF(40131,40143) = 3
LCM(40131,40143) = ( 40131 × 40143) / 3
LCM(40131,40143) = 1610978733 / 3
LCM(40131,40143) = 536992911

Least Common Multiple (LCM) of 40131 and 40143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40131 and 40143. First we will calculate the prime factors of 40131 and 40143.

Prime Factorization of 40131

Prime Factorization of 40143

Now multiplying the highest exponent prime factors to calculate the LCM of 40131 and 40143.

LCM(40131,40143) = 3² × 7³ × 13¹ × 13381¹
LCM(40131,40143) = 536992911