GCF and LCM Calculator Logo

What is the Least Common Multiple of 42859 and 42864?

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 42859 and 42864 is 1837108176.

LCM(42859,42864) = 1837108176

LCM Calculator and
and

Least Common Multiple of 42859 and 42864 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42859 and 42864, than apply into the LCM equation.

GCF(42859,42864) = 1
LCM(42859,42864) = ( 42859 × 42864) / 1
LCM(42859,42864) = 1837108176 / 1
LCM(42859,42864) = 1837108176

Least Common Multiple (LCM) of 42859 and 42864 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42859 and 42864. First we will calculate the prime factors of 42859 and 42864.

Prime Factorization of 42859

Prime factors of 42859 are 42859. Prime factorization of 42859 in exponential form is:

42859 = 428591

Prime Factorization of 42864

Prime factors of 42864 are 2, 3, 19, 47. Prime factorization of 42864 in exponential form is:

42864 = 24 × 31 × 191 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 42859 and 42864.

LCM(42859,42864) = 428591 × 24 × 31 × 191 × 471
LCM(42859,42864) = 1837108176