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What is the Least Common Multiple of 40403 and 40418?

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 40403 and 40418 is 1633008454.

LCM(40403,40418) = 1633008454

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Least Common Multiple of 40403 and 40418 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40403 and 40418, than apply into the LCM equation.

GCF(40403,40418) = 1
LCM(40403,40418) = ( 40403 × 40418) / 1
LCM(40403,40418) = 1633008454 / 1
LCM(40403,40418) = 1633008454

Least Common Multiple (LCM) of 40403 and 40418 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40403 and 40418. First we will calculate the prime factors of 40403 and 40418.

Prime Factorization of 40403

Prime factors of 40403 are 11, 3673. Prime factorization of 40403 in exponential form is:

40403 = 111 × 36731

Prime Factorization of 40418

Prime factors of 40418 are 2, 7, 2887. Prime factorization of 40418 in exponential form is:

40418 = 21 × 71 × 28871

Now multiplying the highest exponent prime factors to calculate the LCM of 40403 and 40418.

LCM(40403,40418) = 111 × 36731 × 21 × 71 × 28871
LCM(40403,40418) = 1633008454