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What is the Least Common Multiple of 87831 and 87845?

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 87831 and 87845 is 7715514195.

LCM(87831,87845) = 7715514195

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Least Common Multiple of 87831 and 87845 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87831 and 87845, than apply into the LCM equation.

GCF(87831,87845) = 1
LCM(87831,87845) = ( 87831 × 87845) / 1
LCM(87831,87845) = 7715514195 / 1
LCM(87831,87845) = 7715514195

Least Common Multiple (LCM) of 87831 and 87845 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87831 and 87845. First we will calculate the prime factors of 87831 and 87845.

Prime Factorization of 87831

Prime factors of 87831 are 3, 3253. Prime factorization of 87831 in exponential form is:

87831 = 33 × 32531

Prime Factorization of 87845

Prime factors of 87845 are 5, 17569. Prime factorization of 87845 in exponential form is:

87845 = 51 × 175691

Now multiplying the highest exponent prime factors to calculate the LCM of 87831 and 87845.

LCM(87831,87845) = 33 × 32531 × 51 × 175691
LCM(87831,87845) = 7715514195