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What is the Least Common Multiple of 18439 and 18454?

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 18439 and 18454 is 340273306.

LCM(18439,18454) = 340273306

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Least Common Multiple of 18439 and 18454 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18439 and 18454, than apply into the LCM equation.

GCF(18439,18454) = 1
LCM(18439,18454) = ( 18439 × 18454) / 1
LCM(18439,18454) = 340273306 / 1
LCM(18439,18454) = 340273306

Least Common Multiple (LCM) of 18439 and 18454 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18439 and 18454. First we will calculate the prime factors of 18439 and 18454.

Prime Factorization of 18439

Prime factors of 18439 are 18439. Prime factorization of 18439 in exponential form is:

18439 = 184391

Prime Factorization of 18454

Prime factors of 18454 are 2, 9227. Prime factorization of 18454 in exponential form is:

18454 = 21 × 92271

Now multiplying the highest exponent prime factors to calculate the LCM of 18439 and 18454.

LCM(18439,18454) = 184391 × 21 × 92271
LCM(18439,18454) = 340273306