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What is the Least Common Multiple of 40688 and 40707?

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 40688 and 40707 is 1656286416.

LCM(40688,40707) = 1656286416

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Least Common Multiple of 40688 and 40707 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40688 and 40707, than apply into the LCM equation.

GCF(40688,40707) = 1
LCM(40688,40707) = ( 40688 × 40707) / 1
LCM(40688,40707) = 1656286416 / 1
LCM(40688,40707) = 1656286416

Least Common Multiple (LCM) of 40688 and 40707 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40688 and 40707. First we will calculate the prime factors of 40688 and 40707.

Prime Factorization of 40688

Prime factors of 40688 are 2, 2543. Prime factorization of 40688 in exponential form is:

40688 = 24 × 25431

Prime Factorization of 40707

Prime factors of 40707 are 3, 4523. Prime factorization of 40707 in exponential form is:

40707 = 32 × 45231

Now multiplying the highest exponent prime factors to calculate the LCM of 40688 and 40707.

LCM(40688,40707) = 24 × 25431 × 32 × 45231
LCM(40688,40707) = 1656286416