What is the Least Common Multiple of 85808 and 85815?

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 85808 and 85815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85808 and 85815, than apply into the LCM equation.

GCF(85808,85815) = 1
LCM(85808,85815) = ( 85808 × 85815) / 1
LCM(85808,85815) = 7363613520 / 1
LCM(85808,85815) = 7363613520

Least Common Multiple (LCM) of 85808 and 85815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85808 and 85815. First we will calculate the prime factors of 85808 and 85815.

Prime Factorization of 85808

Prime Factorization of 85815

Now multiplying the highest exponent prime factors to calculate the LCM of 85808 and 85815.

LCM(85808,85815) = 2⁴ × 31¹ × 173¹ × 3² × 5¹ × 1907¹
LCM(85808,85815) = 7363613520