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What is the Least Common Multiple of 16557 and 16575?

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 16557 and 16575 is 91477425.

LCM(16557,16575) = 91477425

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Least Common Multiple of 16557 and 16575 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16557 and 16575, than apply into the LCM equation.

GCF(16557,16575) = 3
LCM(16557,16575) = ( 16557 × 16575) / 3
LCM(16557,16575) = 274432275 / 3
LCM(16557,16575) = 91477425

Least Common Multiple (LCM) of 16557 and 16575 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16557 and 16575. First we will calculate the prime factors of 16557 and 16575.

Prime Factorization of 16557

Prime factors of 16557 are 3, 5519. Prime factorization of 16557 in exponential form is:

16557 = 31 × 55191

Prime Factorization of 16575

Prime factors of 16575 are 3, 5, 13, 17. Prime factorization of 16575 in exponential form is:

16575 = 31 × 52 × 131 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 16557 and 16575.

LCM(16557,16575) = 31 × 55191 × 52 × 131 × 171
LCM(16557,16575) = 91477425