What is the Least Common Multiple of 57438 and 57447?

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 57438 and 57447 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57438 and 57447, than apply into the LCM equation.

GCF(57438,57447) = 9
LCM(57438,57447) = ( 57438 × 57447) / 9
LCM(57438,57447) = 3299640786 / 9
LCM(57438,57447) = 366626754

Least Common Multiple (LCM) of 57438 and 57447 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57438 and 57447. First we will calculate the prime factors of 57438 and 57447.

Prime Factorization of 57438

Prime Factorization of 57447

Now multiplying the highest exponent prime factors to calculate the LCM of 57438 and 57447.

LCM(57438,57447) = 2¹ × 3² × 3191¹ × 13¹ × 491¹
LCM(57438,57447) = 366626754