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What is the Least Common Multiple of 87831 and 87842?

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 87842 is 7715250702.

LCM(87831,87842) = 7715250702

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Least Common Multiple of 87831 and 87842 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 87842, than apply into the LCM equation.

GCF(87831,87842) = 1
LCM(87831,87842) = ( 87831 × 87842) / 1
LCM(87831,87842) = 7715250702 / 1
LCM(87831,87842) = 7715250702

Least Common Multiple (LCM) of 87831 and 87842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87831 and 87842. First we will calculate the prime factors of 87831 and 87842.

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 87842

Prime factors of 87842 are 2, 167, 263. Prime factorization of 87842 in exponential form is:

87842 = 21 × 1671 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 87831 and 87842.

LCM(87831,87842) = 33 × 32531 × 21 × 1671 × 2631
LCM(87831,87842) = 7715250702