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What is the Least Common Multiple of 87857 and 87865?

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 87857 and 87865 is 7719555305.

LCM(87857,87865) = 7719555305

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Least Common Multiple of 87857 and 87865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87857 and 87865, than apply into the LCM equation.

GCF(87857,87865) = 1
LCM(87857,87865) = ( 87857 × 87865) / 1
LCM(87857,87865) = 7719555305 / 1
LCM(87857,87865) = 7719555305

Least Common Multiple (LCM) of 87857 and 87865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87857 and 87865. First we will calculate the prime factors of 87857 and 87865.

Prime Factorization of 87857

Prime factors of 87857 are 7, 11, 163. Prime factorization of 87857 in exponential form is:

87857 = 72 × 111 × 1631

Prime Factorization of 87865

Prime factors of 87865 are 5, 17573. Prime factorization of 87865 in exponential form is:

87865 = 51 × 175731

Now multiplying the highest exponent prime factors to calculate the LCM of 87857 and 87865.

LCM(87857,87865) = 72 × 111 × 1631 × 51 × 175731
LCM(87857,87865) = 7719555305