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What is the Least Common Multiple of 17904 and 17924?

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 17904 and 17924 is 80227824.

LCM(17904,17924) = 80227824

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Least Common Multiple of 17904 and 17924 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17904 and 17924, than apply into the LCM equation.

GCF(17904,17924) = 4
LCM(17904,17924) = ( 17904 × 17924) / 4
LCM(17904,17924) = 320911296 / 4
LCM(17904,17924) = 80227824

Least Common Multiple (LCM) of 17904 and 17924 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17904 and 17924. First we will calculate the prime factors of 17904 and 17924.

Prime Factorization of 17904

Prime factors of 17904 are 2, 3, 373. Prime factorization of 17904 in exponential form is:

17904 = 24 × 31 × 3731

Prime Factorization of 17924

Prime factors of 17924 are 2, 4481. Prime factorization of 17924 in exponential form is:

17924 = 22 × 44811

Now multiplying the highest exponent prime factors to calculate the LCM of 17904 and 17924.

LCM(17904,17924) = 24 × 31 × 3731 × 44811
LCM(17904,17924) = 80227824