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What is the Least Common Multiple of 18211 and 18230?

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 18211 and 18230 is 331986530.

LCM(18211,18230) = 331986530

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Least Common Multiple of 18211 and 18230 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18211 and 18230, than apply into the LCM equation.

GCF(18211,18230) = 1
LCM(18211,18230) = ( 18211 × 18230) / 1
LCM(18211,18230) = 331986530 / 1
LCM(18211,18230) = 331986530

Least Common Multiple (LCM) of 18211 and 18230 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18211 and 18230. First we will calculate the prime factors of 18211 and 18230.

Prime Factorization of 18211

Prime factors of 18211 are 18211. Prime factorization of 18211 in exponential form is:

18211 = 182111

Prime Factorization of 18230

Prime factors of 18230 are 2, 5, 1823. Prime factorization of 18230 in exponential form is:

18230 = 21 × 51 × 18231

Now multiplying the highest exponent prime factors to calculate the LCM of 18211 and 18230.

LCM(18211,18230) = 182111 × 21 × 51 × 18231
LCM(18211,18230) = 331986530