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What is the Least Common Multiple of 18335 and 18345?

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 18335 and 18345 is 67271115.

LCM(18335,18345) = 67271115

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Least Common Multiple of 18335 and 18345 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18335 and 18345, than apply into the LCM equation.

GCF(18335,18345) = 5
LCM(18335,18345) = ( 18335 × 18345) / 5
LCM(18335,18345) = 336355575 / 5
LCM(18335,18345) = 67271115

Least Common Multiple (LCM) of 18335 and 18345 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18335 and 18345. First we will calculate the prime factors of 18335 and 18345.

Prime Factorization of 18335

Prime factors of 18335 are 5, 19, 193. Prime factorization of 18335 in exponential form is:

18335 = 51 × 191 × 1931

Prime Factorization of 18345

Prime factors of 18345 are 3, 5, 1223. Prime factorization of 18345 in exponential form is:

18345 = 31 × 51 × 12231

Now multiplying the highest exponent prime factors to calculate the LCM of 18335 and 18345.

LCM(18335,18345) = 51 × 191 × 1931 × 31 × 12231
LCM(18335,18345) = 67271115