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What is the Least Common Multiple of 87805 and 87817?

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 87805 and 87817 is 7710771685.

LCM(87805,87817) = 7710771685

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Least Common Multiple of 87805 and 87817 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87805 and 87817, than apply into the LCM equation.

GCF(87805,87817) = 1
LCM(87805,87817) = ( 87805 × 87817) / 1
LCM(87805,87817) = 7710771685 / 1
LCM(87805,87817) = 7710771685

Least Common Multiple (LCM) of 87805 and 87817 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87805 and 87817. First we will calculate the prime factors of 87805 and 87817.

Prime Factorization of 87805

Prime factors of 87805 are 5, 17, 1033. Prime factorization of 87805 in exponential form is:

87805 = 51 × 171 × 10331

Prime Factorization of 87817

Prime factors of 87817 are 137, 641. Prime factorization of 87817 in exponential form is:

87817 = 1371 × 6411

Now multiplying the highest exponent prime factors to calculate the LCM of 87805 and 87817.

LCM(87805,87817) = 51 × 171 × 10331 × 1371 × 6411
LCM(87805,87817) = 7710771685