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What is the Least Common Multiple of 27854 and 27862?

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 27854 and 27862 is 388034074.

LCM(27854,27862) = 388034074

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Least Common Multiple of 27854 and 27862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27854 and 27862, than apply into the LCM equation.

GCF(27854,27862) = 2
LCM(27854,27862) = ( 27854 × 27862) / 2
LCM(27854,27862) = 776068148 / 2
LCM(27854,27862) = 388034074

Least Common Multiple (LCM) of 27854 and 27862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27854 and 27862. First we will calculate the prime factors of 27854 and 27862.

Prime Factorization of 27854

Prime factors of 27854 are 2, 19, 733. Prime factorization of 27854 in exponential form is:

27854 = 21 × 191 × 7331

Prime Factorization of 27862

Prime factors of 27862 are 2, 13931. Prime factorization of 27862 in exponential form is:

27862 = 21 × 139311

Now multiplying the highest exponent prime factors to calculate the LCM of 27854 and 27862.

LCM(27854,27862) = 21 × 191 × 7331 × 139311
LCM(27854,27862) = 388034074