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What is the Least Common Multiple of 18655 and 18663?

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 18655 and 18663 is 348158265.

LCM(18655,18663) = 348158265

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Least Common Multiple of 18655 and 18663 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18655 and 18663, than apply into the LCM equation.

GCF(18655,18663) = 1
LCM(18655,18663) = ( 18655 × 18663) / 1
LCM(18655,18663) = 348158265 / 1
LCM(18655,18663) = 348158265

Least Common Multiple (LCM) of 18655 and 18663 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18655 and 18663. First we will calculate the prime factors of 18655 and 18663.

Prime Factorization of 18655

Prime factors of 18655 are 5, 7, 13, 41. Prime factorization of 18655 in exponential form is:

18655 = 51 × 71 × 131 × 411

Prime Factorization of 18663

Prime factors of 18663 are 3, 6221. Prime factorization of 18663 in exponential form is:

18663 = 31 × 62211

Now multiplying the highest exponent prime factors to calculate the LCM of 18655 and 18663.

LCM(18655,18663) = 51 × 71 × 131 × 411 × 31 × 62211
LCM(18655,18663) = 348158265