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What is the Least Common Multiple of 15766 and 15785?

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 15766 and 15785 is 248866310.

LCM(15766,15785) = 248866310

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Least Common Multiple of 15766 and 15785 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15766 and 15785, than apply into the LCM equation.

GCF(15766,15785) = 1
LCM(15766,15785) = ( 15766 × 15785) / 1
LCM(15766,15785) = 248866310 / 1
LCM(15766,15785) = 248866310

Least Common Multiple (LCM) of 15766 and 15785 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15766 and 15785. First we will calculate the prime factors of 15766 and 15785.

Prime Factorization of 15766

Prime factors of 15766 are 2, 7883. Prime factorization of 15766 in exponential form is:

15766 = 21 × 78831

Prime Factorization of 15785

Prime factors of 15785 are 5, 7, 11, 41. Prime factorization of 15785 in exponential form is:

15785 = 51 × 71 × 111 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 15766 and 15785.

LCM(15766,15785) = 21 × 78831 × 51 × 71 × 111 × 411
LCM(15766,15785) = 248866310