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What is the Least Common Multiple of 18647 and 18654?

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 18647 and 18654 is 347841138.

LCM(18647,18654) = 347841138

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Least Common Multiple of 18647 and 18654 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18647 and 18654, than apply into the LCM equation.

GCF(18647,18654) = 1
LCM(18647,18654) = ( 18647 × 18654) / 1
LCM(18647,18654) = 347841138 / 1
LCM(18647,18654) = 347841138

Least Common Multiple (LCM) of 18647 and 18654 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18647 and 18654. First we will calculate the prime factors of 18647 and 18654.

Prime Factorization of 18647

Prime factors of 18647 are 29, 643. Prime factorization of 18647 in exponential form is:

18647 = 291 × 6431

Prime Factorization of 18654

Prime factors of 18654 are 2, 3, 3109. Prime factorization of 18654 in exponential form is:

18654 = 21 × 31 × 31091

Now multiplying the highest exponent prime factors to calculate the LCM of 18647 and 18654.

LCM(18647,18654) = 291 × 6431 × 21 × 31 × 31091
LCM(18647,18654) = 347841138