GCF and LCM Calculator Logo

What is the Least Common Multiple of 42806 and 42823?

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 42806 and 42823 is 107828314.

LCM(42806,42823) = 107828314

LCM Calculator and
and

Least Common Multiple of 42806 and 42823 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42806 and 42823, than apply into the LCM equation.

GCF(42806,42823) = 17
LCM(42806,42823) = ( 42806 × 42823) / 17
LCM(42806,42823) = 1833081338 / 17
LCM(42806,42823) = 107828314

Least Common Multiple (LCM) of 42806 and 42823 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42806 and 42823. First we will calculate the prime factors of 42806 and 42823.

Prime Factorization of 42806

Prime factors of 42806 are 2, 17, 1259. Prime factorization of 42806 in exponential form is:

42806 = 21 × 171 × 12591

Prime Factorization of 42823

Prime factors of 42823 are 11, 17, 229. Prime factorization of 42823 in exponential form is:

42823 = 111 × 171 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 42806 and 42823.

LCM(42806,42823) = 21 × 171 × 12591 × 111 × 2291
LCM(42806,42823) = 107828314