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What is the Least Common Multiple of 27846 and 27863?

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 27863 is 45639594.

LCM(27846,27863) = 45639594

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Least Common Multiple of 27846 and 27863 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 27863, than apply into the LCM equation.

GCF(27846,27863) = 17
LCM(27846,27863) = ( 27846 × 27863) / 17
LCM(27846,27863) = 775873098 / 17
LCM(27846,27863) = 45639594

Least Common Multiple (LCM) of 27846 and 27863 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27846 and 27863. First we will calculate the prime factors of 27846 and 27863.

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 27863

Prime factors of 27863 are 11, 17, 149. Prime factorization of 27863 in exponential form is:

27863 = 111 × 171 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 27846 and 27863.

LCM(27846,27863) = 21 × 32 × 71 × 131 × 171 × 111 × 1491
LCM(27846,27863) = 45639594