What is the Least Common Multiple of 85805 and 85821?

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 85805 and 85821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85805 and 85821, than apply into the LCM equation.

GCF(85805,85821) = 1
LCM(85805,85821) = ( 85805 × 85821) / 1
LCM(85805,85821) = 7363870905 / 1
LCM(85805,85821) = 7363870905

Least Common Multiple (LCM) of 85805 and 85821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85805 and 85821. First we will calculate the prime factors of 85805 and 85821.

Prime Factorization of 85805

Prime Factorization of 85821

Now multiplying the highest exponent prime factors to calculate the LCM of 85805 and 85821.

LCM(85805,85821) = 5¹ × 131² × 3¹ × 28607¹
LCM(85805,85821) = 7363870905