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What is the Least Common Multiple of 40231 and 40240?

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 40231 and 40240 is 1618895440.

LCM(40231,40240) = 1618895440

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Least Common Multiple of 40231 and 40240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40231 and 40240, than apply into the LCM equation.

GCF(40231,40240) = 1
LCM(40231,40240) = ( 40231 × 40240) / 1
LCM(40231,40240) = 1618895440 / 1
LCM(40231,40240) = 1618895440

Least Common Multiple (LCM) of 40231 and 40240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40231 and 40240. First we will calculate the prime factors of 40231 and 40240.

Prime Factorization of 40231

Prime factors of 40231 are 40231. Prime factorization of 40231 in exponential form is:

40231 = 402311

Prime Factorization of 40240

Prime factors of 40240 are 2, 5, 503. Prime factorization of 40240 in exponential form is:

40240 = 24 × 51 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 40231 and 40240.

LCM(40231,40240) = 402311 × 24 × 51 × 5031
LCM(40231,40240) = 1618895440