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What is the Least Common Multiple of 87842 and 87855?

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 87842 and 87855 is 7717358910.

LCM(87842,87855) = 7717358910

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Least Common Multiple of 87842 and 87855 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87842 and 87855, than apply into the LCM equation.

GCF(87842,87855) = 1
LCM(87842,87855) = ( 87842 × 87855) / 1
LCM(87842,87855) = 7717358910 / 1
LCM(87842,87855) = 7717358910

Least Common Multiple (LCM) of 87842 and 87855 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87842 and 87855. First we will calculate the prime factors of 87842 and 87855.

Prime Factorization of 87842

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

87842 = 21 × 1671 × 2631

Prime Factorization of 87855

Prime factors of 87855 are 3, 5, 5857. Prime factorization of 87855 in exponential form is:

87855 = 31 × 51 × 58571

Now multiplying the highest exponent prime factors to calculate the LCM of 87842 and 87855.

LCM(87842,87855) = 21 × 1671 × 2631 × 31 × 51 × 58571
LCM(87842,87855) = 7717358910