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What is the Least Common Multiple of 18887 and 18903?

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 18887 and 18903 is 357020961.

LCM(18887,18903) = 357020961

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Least Common Multiple of 18887 and 18903 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18887 and 18903, than apply into the LCM equation.

GCF(18887,18903) = 1
LCM(18887,18903) = ( 18887 × 18903) / 1
LCM(18887,18903) = 357020961 / 1
LCM(18887,18903) = 357020961

Least Common Multiple (LCM) of 18887 and 18903 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18887 and 18903. First we will calculate the prime factors of 18887 and 18903.

Prime Factorization of 18887

Prime factors of 18887 are 11, 17, 101. Prime factorization of 18887 in exponential form is:

18887 = 111 × 171 × 1011

Prime Factorization of 18903

Prime factors of 18903 are 3, 6301. Prime factorization of 18903 in exponential form is:

18903 = 31 × 63011

Now multiplying the highest exponent prime factors to calculate the LCM of 18887 and 18903.

LCM(18887,18903) = 111 × 171 × 1011 × 31 × 63011
LCM(18887,18903) = 357020961