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What is the Least Common Multiple of 28287 and 28306?

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 28287 and 28306 is 800691822.

LCM(28287,28306) = 800691822

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Least Common Multiple of 28287 and 28306 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28287 and 28306, than apply into the LCM equation.

GCF(28287,28306) = 1
LCM(28287,28306) = ( 28287 × 28306) / 1
LCM(28287,28306) = 800691822 / 1
LCM(28287,28306) = 800691822

Least Common Multiple (LCM) of 28287 and 28306 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28287 and 28306. First we will calculate the prime factors of 28287 and 28306.

Prime Factorization of 28287

Prime factors of 28287 are 3, 7, 449. Prime factorization of 28287 in exponential form is:

28287 = 32 × 71 × 4491

Prime Factorization of 28306

Prime factors of 28306 are 2, 14153. Prime factorization of 28306 in exponential form is:

28306 = 21 × 141531

Now multiplying the highest exponent prime factors to calculate the LCM of 28287 and 28306.

LCM(28287,28306) = 32 × 71 × 4491 × 21 × 141531
LCM(28287,28306) = 800691822