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What is the Least Common Multiple of 10845 and 10857?

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 10845 and 10857 is 39248055.

LCM(10845,10857) = 39248055

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Least Common Multiple of 10845 and 10857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10845 and 10857, than apply into the LCM equation.

GCF(10845,10857) = 3
LCM(10845,10857) = ( 10845 × 10857) / 3
LCM(10845,10857) = 117744165 / 3
LCM(10845,10857) = 39248055

Least Common Multiple (LCM) of 10845 and 10857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10845 and 10857. First we will calculate the prime factors of 10845 and 10857.

Prime Factorization of 10845

Prime factors of 10845 are 3, 5, 241. Prime factorization of 10845 in exponential form is:

10845 = 32 × 51 × 2411

Prime Factorization of 10857

Prime factors of 10857 are 3, 7, 11, 47. Prime factorization of 10857 in exponential form is:

10857 = 31 × 71 × 111 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 10845 and 10857.

LCM(10845,10857) = 32 × 51 × 2411 × 71 × 111 × 471
LCM(10845,10857) = 39248055