GCF and LCM Calculator Logo

What is the Least Common Multiple of 18457 and 18473?

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 18457 and 18473 is 340956161.

LCM(18457,18473) = 340956161

LCM Calculator and
and

Least Common Multiple of 18457 and 18473 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18457 and 18473, than apply into the LCM equation.

GCF(18457,18473) = 1
LCM(18457,18473) = ( 18457 × 18473) / 1
LCM(18457,18473) = 340956161 / 1
LCM(18457,18473) = 340956161

Least Common Multiple (LCM) of 18457 and 18473 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18457 and 18473. First we will calculate the prime factors of 18457 and 18473.

Prime Factorization of 18457

Prime factors of 18457 are 18457. Prime factorization of 18457 in exponential form is:

18457 = 184571

Prime Factorization of 18473

Prime factors of 18473 are 7, 13, 29. Prime factorization of 18473 in exponential form is:

18473 = 72 × 131 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 18457 and 18473.

LCM(18457,18473) = 184571 × 72 × 131 × 291
LCM(18457,18473) = 340956161