What is the Least Common Multiple of 85800 and 85808?

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 85800 and 85808 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85800 and 85808, than apply into the LCM equation.

GCF(85800,85808) = 8
LCM(85800,85808) = ( 85800 × 85808) / 8
LCM(85800,85808) = 7362326400 / 8
LCM(85800,85808) = 920290800

Least Common Multiple (LCM) of 85800 and 85808 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85800 and 85808. First we will calculate the prime factors of 85800 and 85808.

Prime Factorization of 85800

Prime Factorization of 85808

Now multiplying the highest exponent prime factors to calculate the LCM of 85800 and 85808.

LCM(85800,85808) = 2⁴ × 3¹ × 5² × 11¹ × 13¹ × 31¹ × 173¹
LCM(85800,85808) = 920290800