What is the Least Common Multiple of 91809 and 91818?

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 91809 and 91818 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91809 and 91818, than apply into the LCM equation.

GCF(91809,91818) = 9
LCM(91809,91818) = ( 91809 × 91818) / 9
LCM(91809,91818) = 8429718762 / 9
LCM(91809,91818) = 936635418

Least Common Multiple (LCM) of 91809 and 91818 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91809 and 91818. First we will calculate the prime factors of 91809 and 91818.

Prime Factorization of 91809

Prime Factorization of 91818

Now multiplying the highest exponent prime factors to calculate the LCM of 91809 and 91818.

LCM(91809,91818) = 3² × 101² × 2¹ × 5101¹
LCM(91809,91818) = 936635418