What is the Least Common Multiple of 66078 and 66090?

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 66078 and 66090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66078 and 66090, than apply into the LCM equation.

GCF(66078,66090) = 6
LCM(66078,66090) = ( 66078 × 66090) / 6
LCM(66078,66090) = 4367095020 / 6
LCM(66078,66090) = 727849170

Least Common Multiple (LCM) of 66078 and 66090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66078 and 66090. First we will calculate the prime factors of 66078 and 66090.

Prime Factorization of 66078

Prime Factorization of 66090

Now multiplying the highest exponent prime factors to calculate the LCM of 66078 and 66090.

LCM(66078,66090) = 2¹ × 3² × 3671¹ × 5¹ × 2203¹
LCM(66078,66090) = 727849170