GCF and LCM Calculator Logo

What is the Least Common Multiple of 85845 and 85856?

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 (LCM) of 85845 and 85856 is 7370308320.

LCM(85845,85856) = 7370308320

LCM Calculator and
and

Least Common Multiple of 85845 and 85856 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85845 and 85856, than apply into the LCM equation.

GCF(85845,85856) = 1
LCM(85845,85856) = ( 85845 × 85856) / 1
LCM(85845,85856) = 7370308320 / 1
LCM(85845,85856) = 7370308320

Least Common Multiple (LCM) of 85845 and 85856 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85845 and 85856. First we will calculate the prime factors of 85845 and 85856.

Prime Factorization of 85845

Prime factors of 85845 are 3, 5, 59, 97. Prime factorization of 85845 in exponential form is:

85845 = 31 × 51 × 591 × 971

Prime Factorization of 85856

Prime factors of 85856 are 2, 2683. Prime factorization of 85856 in exponential form is:

85856 = 25 × 26831

Now multiplying the highest exponent prime factors to calculate the LCM of 85845 and 85856.

LCM(85845,85856) = 31 × 51 × 591 × 971 × 25 × 26831
LCM(85845,85856) = 7370308320