What is the Least Common Multiple of 93840 and 93858?

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 93840 and 93858 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 93840 and 93858, than apply into the LCM equation.

GCF(93840,93858) = 6
LCM(93840,93858) = ( 93840 × 93858) / 6
LCM(93840,93858) = 8807634720 / 6
LCM(93840,93858) = 1467939120

Least Common Multiple (LCM) of 93840 and 93858 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 93840 and 93858. First we will calculate the prime factors of 93840 and 93858.

Prime Factorization of 93840

Prime Factorization of 93858

Now multiplying the highest exponent prime factors to calculate the LCM of 93840 and 93858.

LCM(93840,93858) = 2⁴ × 3¹ × 5¹ × 17¹ × 23¹ × 15643¹
LCM(93840,93858) = 1467939120