What is the Least Common Multiple of 40740 and 40758?

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 40740 and 40758 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40740 and 40758, than apply into the LCM equation.

GCF(40740,40758) = 6
LCM(40740,40758) = ( 40740 × 40758) / 6
LCM(40740,40758) = 1660480920 / 6
LCM(40740,40758) = 276746820

Least Common Multiple (LCM) of 40740 and 40758 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40740 and 40758. First we will calculate the prime factors of 40740 and 40758.

Prime Factorization of 40740

Prime Factorization of 40758

Now multiplying the highest exponent prime factors to calculate the LCM of 40740 and 40758.

LCM(40740,40758) = 2² × 3¹ × 5¹ × 7¹ × 97¹ × 6793¹
LCM(40740,40758) = 276746820