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What is the Least Common Multiple of 39843 and 39847?

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 39843 and 39847 is 1587624021.

LCM(39843,39847) = 1587624021

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Least Common Multiple of 39843 and 39847 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39843 and 39847, than apply into the LCM equation.

GCF(39843,39847) = 1
LCM(39843,39847) = ( 39843 × 39847) / 1
LCM(39843,39847) = 1587624021 / 1
LCM(39843,39847) = 1587624021

Least Common Multiple (LCM) of 39843 and 39847 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39843 and 39847. First we will calculate the prime factors of 39843 and 39847.

Prime Factorization of 39843

Prime factors of 39843 are 3, 19, 233. Prime factorization of 39843 in exponential form is:

39843 = 32 × 191 × 2331

Prime Factorization of 39847

Prime factors of 39847 are 39847. Prime factorization of 39847 in exponential form is:

39847 = 398471

Now multiplying the highest exponent prime factors to calculate the LCM of 39843 and 39847.

LCM(39843,39847) = 32 × 191 × 2331 × 398471
LCM(39843,39847) = 1587624021