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What is the Least Common Multiple of 27846 and 27854?

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 27846 and 27854 is 387811242.

LCM(27846,27854) = 387811242

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Least Common Multiple of 27846 and 27854 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27846 and 27854, than apply into the LCM equation.

GCF(27846,27854) = 2
LCM(27846,27854) = ( 27846 × 27854) / 2
LCM(27846,27854) = 775622484 / 2
LCM(27846,27854) = 387811242

Least Common Multiple (LCM) of 27846 and 27854 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27846 and 27854. First we will calculate the prime factors of 27846 and 27854.

Prime Factorization of 27846

Prime factors of 27846 are 2, 3, 7, 13, 17. Prime factorization of 27846 in exponential form is:

27846 = 21 × 32 × 71 × 131 × 171

Prime Factorization of 27854

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

27854 = 21 × 191 × 7331

Now multiplying the highest exponent prime factors to calculate the LCM of 27846 and 27854.

LCM(27846,27854) = 21 × 32 × 71 × 131 × 171 × 191 × 7331
LCM(27846,27854) = 387811242