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What is the Least Common Multiple of 18505 and 18523?

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 18505 and 18523 is 342768115.

LCM(18505,18523) = 342768115

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Least Common Multiple of 18505 and 18523 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18505 and 18523, than apply into the LCM equation.

GCF(18505,18523) = 1
LCM(18505,18523) = ( 18505 × 18523) / 1
LCM(18505,18523) = 342768115 / 1
LCM(18505,18523) = 342768115

Least Common Multiple (LCM) of 18505 and 18523 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18505 and 18523. First we will calculate the prime factors of 18505 and 18523.

Prime Factorization of 18505

Prime factors of 18505 are 5, 3701. Prime factorization of 18505 in exponential form is:

18505 = 51 × 37011

Prime Factorization of 18523

Prime factors of 18523 are 18523. Prime factorization of 18523 in exponential form is:

18523 = 185231

Now multiplying the highest exponent prime factors to calculate the LCM of 18505 and 18523.

LCM(18505,18523) = 51 × 37011 × 185231
LCM(18505,18523) = 342768115