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What is the Least Common Multiple of 40406 and 40413?

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 40406 and 40413 is 1632927678.

LCM(40406,40413) = 1632927678

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Least Common Multiple of 40406 and 40413 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40406 and 40413, than apply into the LCM equation.

GCF(40406,40413) = 1
LCM(40406,40413) = ( 40406 × 40413) / 1
LCM(40406,40413) = 1632927678 / 1
LCM(40406,40413) = 1632927678

Least Common Multiple (LCM) of 40406 and 40413 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40406 and 40413. First we will calculate the prime factors of 40406 and 40413.

Prime Factorization of 40406

Prime factors of 40406 are 2, 89, 227. Prime factorization of 40406 in exponential form is:

40406 = 21 × 891 × 2271

Prime Factorization of 40413

Prime factors of 40413 are 3, 19, 709. Prime factorization of 40413 in exponential form is:

40413 = 31 × 191 × 7091

Now multiplying the highest exponent prime factors to calculate the LCM of 40406 and 40413.

LCM(40406,40413) = 21 × 891 × 2271 × 31 × 191 × 7091
LCM(40406,40413) = 1632927678