What is the Least Common Multiple of 85389 and 85409?

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 85389 and 85409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85389 and 85409, than apply into the LCM equation.

GCF(85389,85409) = 1
LCM(85389,85409) = ( 85389 × 85409) / 1
LCM(85389,85409) = 7292989101 / 1
LCM(85389,85409) = 7292989101

Least Common Multiple (LCM) of 85389 and 85409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85389 and 85409. First we will calculate the prime factors of 85389 and 85409.

Prime Factorization of 85389

Prime Factorization of 85409

Now multiplying the highest exponent prime factors to calculate the LCM of 85389 and 85409.

LCM(85389,85409) = 3¹ × 28463¹ × 223¹ × 383¹
LCM(85389,85409) = 7292989101