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What is the Least Common Multiple of 17705 and 17709?

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 17705 and 17709 is 313537845.

LCM(17705,17709) = 313537845

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Least Common Multiple of 17705 and 17709 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17705 and 17709, than apply into the LCM equation.

GCF(17705,17709) = 1
LCM(17705,17709) = ( 17705 × 17709) / 1
LCM(17705,17709) = 313537845 / 1
LCM(17705,17709) = 313537845

Least Common Multiple (LCM) of 17705 and 17709 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17705 and 17709. First we will calculate the prime factors of 17705 and 17709.

Prime Factorization of 17705

Prime factors of 17705 are 5, 3541. Prime factorization of 17705 in exponential form is:

17705 = 51 × 35411

Prime Factorization of 17709

Prime factors of 17709 are 3, 5903. Prime factorization of 17709 in exponential form is:

17709 = 31 × 59031

Now multiplying the highest exponent prime factors to calculate the LCM of 17705 and 17709.

LCM(17705,17709) = 51 × 35411 × 31 × 59031
LCM(17705,17709) = 313537845