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What is the Least Common Multiple of 28571 and 28587?

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 28571 and 28587 is 816759177.

LCM(28571,28587) = 816759177

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Least Common Multiple of 28571 and 28587 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28571 and 28587, than apply into the LCM equation.

GCF(28571,28587) = 1
LCM(28571,28587) = ( 28571 × 28587) / 1
LCM(28571,28587) = 816759177 / 1
LCM(28571,28587) = 816759177

Least Common Multiple (LCM) of 28571 and 28587 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28571 and 28587. First we will calculate the prime factors of 28571 and 28587.

Prime Factorization of 28571

Prime factors of 28571 are 28571. Prime factorization of 28571 in exponential form is:

28571 = 285711

Prime Factorization of 28587

Prime factors of 28587 are 3, 13, 733. Prime factorization of 28587 in exponential form is:

28587 = 31 × 131 × 7331

Now multiplying the highest exponent prime factors to calculate the LCM of 28571 and 28587.

LCM(28571,28587) = 285711 × 31 × 131 × 7331
LCM(28571,28587) = 816759177