What is the Least Common Multiple of 42818 and 42836?

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 42818 and 42836 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42818 and 42836, than apply into the LCM equation.

GCF(42818,42836) = 2
LCM(42818,42836) = ( 42818 × 42836) / 2
LCM(42818,42836) = 1834151848 / 2
LCM(42818,42836) = 917075924

Least Common Multiple (LCM) of 42818 and 42836 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42818 and 42836. First we will calculate the prime factors of 42818 and 42836.

Prime Factorization of 42818

Prime Factorization of 42836

Now multiplying the highest exponent prime factors to calculate the LCM of 42818 and 42836.

LCM(42818,42836) = 2² × 79¹ × 271¹ × 10709¹
LCM(42818,42836) = 917075924