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What is the Least Common Multiple of 40845 and 40854?

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 40845 and 40854 is 556227210.

LCM(40845,40854) = 556227210

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Least Common Multiple of 40845 and 40854 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40845 and 40854, than apply into the LCM equation.

GCF(40845,40854) = 3
LCM(40845,40854) = ( 40845 × 40854) / 3
LCM(40845,40854) = 1668681630 / 3
LCM(40845,40854) = 556227210

Least Common Multiple (LCM) of 40845 and 40854 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40845 and 40854. First we will calculate the prime factors of 40845 and 40854.

Prime Factorization of 40845

Prime factors of 40845 are 3, 5, 7, 389. Prime factorization of 40845 in exponential form is:

40845 = 31 × 51 × 71 × 3891

Prime Factorization of 40854

Prime factors of 40854 are 2, 3, 11, 619. Prime factorization of 40854 in exponential form is:

40854 = 21 × 31 × 111 × 6191

Now multiplying the highest exponent prime factors to calculate the LCM of 40845 and 40854.

LCM(40845,40854) = 31 × 51 × 71 × 3891 × 21 × 111 × 6191
LCM(40845,40854) = 556227210