What is the Least Common Multiple of 83800 and 83820?

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 83800 and 83820 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83800 and 83820, than apply into the LCM equation.

GCF(83800,83820) = 20
LCM(83800,83820) = ( 83800 × 83820) / 20
LCM(83800,83820) = 7024116000 / 20
LCM(83800,83820) = 351205800

Least Common Multiple (LCM) of 83800 and 83820 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83800 and 83820. First we will calculate the prime factors of 83800 and 83820.

Prime Factorization of 83800

Prime Factorization of 83820

Now multiplying the highest exponent prime factors to calculate the LCM of 83800 and 83820.

LCM(83800,83820) = 2³ × 5² × 419¹ × 3¹ × 11¹ × 127¹
LCM(83800,83820) = 351205800