What is the Least Common Multiple of 93978 and 93990?

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 93978 and 93990 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 93978 and 93990, than apply into the LCM equation.

GCF(93978,93990) = 6
LCM(93978,93990) = ( 93978 × 93990) / 6
LCM(93978,93990) = 8832992220 / 6
LCM(93978,93990) = 1472165370

Least Common Multiple (LCM) of 93978 and 93990 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 93978 and 93990. First we will calculate the prime factors of 93978 and 93990.

Prime Factorization of 93978

Prime Factorization of 93990

Now multiplying the highest exponent prime factors to calculate the LCM of 93978 and 93990.

LCM(93978,93990) = 2¹ × 3² × 23¹ × 227¹ × 5¹ × 13¹ × 241¹
LCM(93978,93990) = 1472165370