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What is the Least Common Multiple of 40845 and 40862?

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 40862 is 1669008390.

LCM(40845,40862) = 1669008390

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Least Common Multiple of 40845 and 40862 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 40862, than apply into the LCM equation.

GCF(40845,40862) = 1
LCM(40845,40862) = ( 40845 × 40862) / 1
LCM(40845,40862) = 1669008390 / 1
LCM(40845,40862) = 1669008390

Least Common Multiple (LCM) of 40845 and 40862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40845 and 40862. First we will calculate the prime factors of 40845 and 40862.

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 40862

Prime factors of 40862 are 2, 20431. Prime factorization of 40862 in exponential form is:

40862 = 21 × 204311

Now multiplying the highest exponent prime factors to calculate the LCM of 40845 and 40862.

LCM(40845,40862) = 31 × 51 × 71 × 3891 × 21 × 204311
LCM(40845,40862) = 1669008390