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What is the Least Common Multiple of 40687 and 40705?

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 40687 and 40705 is 1656164335.

LCM(40687,40705) = 1656164335

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Least Common Multiple of 40687 and 40705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40687 and 40705, than apply into the LCM equation.

GCF(40687,40705) = 1
LCM(40687,40705) = ( 40687 × 40705) / 1
LCM(40687,40705) = 1656164335 / 1
LCM(40687,40705) = 1656164335

Least Common Multiple (LCM) of 40687 and 40705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40687 and 40705. First we will calculate the prime factors of 40687 and 40705.

Prime Factorization of 40687

Prime factors of 40687 are 23, 29, 61. Prime factorization of 40687 in exponential form is:

40687 = 231 × 291 × 611

Prime Factorization of 40705

Prime factors of 40705 are 5, 7, 1163. Prime factorization of 40705 in exponential form is:

40705 = 51 × 71 × 11631

Now multiplying the highest exponent prime factors to calculate the LCM of 40687 and 40705.

LCM(40687,40705) = 231 × 291 × 611 × 51 × 71 × 11631
LCM(40687,40705) = 1656164335