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What is the Least Common Multiple of 42831 and 42845?

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 42831 and 42845 is 1835094195.

LCM(42831,42845) = 1835094195

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Least Common Multiple of 42831 and 42845 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42831 and 42845, than apply into the LCM equation.

GCF(42831,42845) = 1
LCM(42831,42845) = ( 42831 × 42845) / 1
LCM(42831,42845) = 1835094195 / 1
LCM(42831,42845) = 1835094195

Least Common Multiple (LCM) of 42831 and 42845 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42831 and 42845. First we will calculate the prime factors of 42831 and 42845.

Prime Factorization of 42831

Prime factors of 42831 are 3, 4759. Prime factorization of 42831 in exponential form is:

42831 = 32 × 47591

Prime Factorization of 42845

Prime factors of 42845 are 5, 11, 19, 41. Prime factorization of 42845 in exponential form is:

42845 = 51 × 111 × 191 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 42831 and 42845.

LCM(42831,42845) = 32 × 47591 × 51 × 111 × 191 × 411
LCM(42831,42845) = 1835094195