What is the Least Common Multiple of 43845 and 43855?

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 43845 and 43855 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43845 and 43855, than apply into the LCM equation.

GCF(43845,43855) = 5
LCM(43845,43855) = ( 43845 × 43855) / 5
LCM(43845,43855) = 1922822475 / 5
LCM(43845,43855) = 384564495

Least Common Multiple (LCM) of 43845 and 43855 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43845 and 43855. First we will calculate the prime factors of 43845 and 43855.

Prime Factorization of 43845

Prime Factorization of 43855

Now multiplying the highest exponent prime factors to calculate the LCM of 43845 and 43855.

LCM(43845,43855) = 3¹ × 5¹ × 37¹ × 79¹ × 7² × 179¹
LCM(43845,43855) = 384564495