What is the Least Common Multiple of 99790 and 99810?

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 99790 and 99810 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99790 and 99810, than apply into the LCM equation.

GCF(99790,99810) = 10
LCM(99790,99810) = ( 99790 × 99810) / 10
LCM(99790,99810) = 9960039900 / 10
LCM(99790,99810) = 996003990

Least Common Multiple (LCM) of 99790 and 99810 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99790 and 99810. First we will calculate the prime factors of 99790 and 99810.

Prime Factorization of 99790

Prime Factorization of 99810

Now multiplying the highest exponent prime factors to calculate the LCM of 99790 and 99810.

LCM(99790,99810) = 2¹ × 5¹ × 17¹ × 587¹ × 3² × 1109¹
LCM(99790,99810) = 996003990