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What is the Least Common Multiple of 17664 and 17679?

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 17664 and 17679 is 104093952.

LCM(17664,17679) = 104093952

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Least Common Multiple of 17664 and 17679 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17664 and 17679, than apply into the LCM equation.

GCF(17664,17679) = 3
LCM(17664,17679) = ( 17664 × 17679) / 3
LCM(17664,17679) = 312281856 / 3
LCM(17664,17679) = 104093952

Least Common Multiple (LCM) of 17664 and 17679 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17664 and 17679. First we will calculate the prime factors of 17664 and 17679.

Prime Factorization of 17664

Prime factors of 17664 are 2, 3, 23. Prime factorization of 17664 in exponential form is:

17664 = 28 × 31 × 231

Prime Factorization of 17679

Prime factors of 17679 are 3, 71, 83. Prime factorization of 17679 in exponential form is:

17679 = 31 × 711 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 17664 and 17679.

LCM(17664,17679) = 28 × 31 × 231 × 711 × 831
LCM(17664,17679) = 104093952