GCF and LCM Calculator Logo

What is the Least Common Multiple of 18531 and 18545?

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 18531 and 18545 is 343657395.

LCM(18531,18545) = 343657395

LCM Calculator and
and

Least Common Multiple of 18531 and 18545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18531 and 18545, than apply into the LCM equation.

GCF(18531,18545) = 1
LCM(18531,18545) = ( 18531 × 18545) / 1
LCM(18531,18545) = 343657395 / 1
LCM(18531,18545) = 343657395

Least Common Multiple (LCM) of 18531 and 18545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18531 and 18545. First we will calculate the prime factors of 18531 and 18545.

Prime Factorization of 18531

Prime factors of 18531 are 3, 29, 71. Prime factorization of 18531 in exponential form is:

18531 = 32 × 291 × 711

Prime Factorization of 18545

Prime factors of 18545 are 5, 3709. Prime factorization of 18545 in exponential form is:

18545 = 51 × 37091

Now multiplying the highest exponent prime factors to calculate the LCM of 18531 and 18545.

LCM(18531,18545) = 32 × 291 × 711 × 51 × 37091
LCM(18531,18545) = 343657395