GCF and LCM Calculator Logo

What is the Least Common Multiple of 85856 and 85869?

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 85856 and 85869 is 7372368864.

LCM(85856,85869) = 7372368864

LCM Calculator and
and

Least Common Multiple of 85856 and 85869 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85856 and 85869, than apply into the LCM equation.

GCF(85856,85869) = 1
LCM(85856,85869) = ( 85856 × 85869) / 1
LCM(85856,85869) = 7372368864 / 1
LCM(85856,85869) = 7372368864

Least Common Multiple (LCM) of 85856 and 85869 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85856 and 85869. First we will calculate the prime factors of 85856 and 85869.

Prime Factorization of 85856

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

85856 = 25 × 26831

Prime Factorization of 85869

Prime factors of 85869 are 3, 7, 29, 47. Prime factorization of 85869 in exponential form is:

85869 = 32 × 71 × 291 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 85856 and 85869.

LCM(85856,85869) = 25 × 26831 × 32 × 71 × 291 × 471
LCM(85856,85869) = 7372368864