What is the Least Common Multiple of 90600 and 90605?

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 90600 and 90605 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90600 and 90605, than apply into the LCM equation.

GCF(90600,90605) = 5
LCM(90600,90605) = ( 90600 × 90605) / 5
LCM(90600,90605) = 8208813000 / 5
LCM(90600,90605) = 1641762600

Least Common Multiple (LCM) of 90600 and 90605 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90600 and 90605. First we will calculate the prime factors of 90600 and 90605.

Prime Factorization of 90600

Prime Factorization of 90605

Now multiplying the highest exponent prime factors to calculate the LCM of 90600 and 90605.

LCM(90600,90605) = 2³ × 3¹ × 5² × 151¹ × 18121¹
LCM(90600,90605) = 1641762600