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What is the Least Common Multiple of 40406 and 40415?

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 40415 is 1633008490.

LCM(40406,40415) = 1633008490

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Least Common Multiple of 40406 and 40415 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 40415, than apply into the LCM equation.

GCF(40406,40415) = 1
LCM(40406,40415) = ( 40406 × 40415) / 1
LCM(40406,40415) = 1633008490 / 1
LCM(40406,40415) = 1633008490

Least Common Multiple (LCM) of 40406 and 40415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40406 and 40415. First we will calculate the prime factors of 40406 and 40415.

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 40415

Prime factors of 40415 are 5, 59, 137. Prime factorization of 40415 in exponential form is:

40415 = 51 × 591 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 40406 and 40415.

LCM(40406,40415) = 21 × 891 × 2271 × 51 × 591 × 1371
LCM(40406,40415) = 1633008490