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What is the Least Common Multiple of 21831 and 21848?

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 21831 and 21848 is 476963688.

LCM(21831,21848) = 476963688

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Least Common Multiple of 21831 and 21848 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21831 and 21848, than apply into the LCM equation.

GCF(21831,21848) = 1
LCM(21831,21848) = ( 21831 × 21848) / 1
LCM(21831,21848) = 476963688 / 1
LCM(21831,21848) = 476963688

Least Common Multiple (LCM) of 21831 and 21848 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21831 and 21848. First we will calculate the prime factors of 21831 and 21848.

Prime Factorization of 21831

Prime factors of 21831 are 3, 19, 383. Prime factorization of 21831 in exponential form is:

21831 = 31 × 191 × 3831

Prime Factorization of 21848

Prime factors of 21848 are 2, 2731. Prime factorization of 21848 in exponential form is:

21848 = 23 × 27311

Now multiplying the highest exponent prime factors to calculate the LCM of 21831 and 21848.

LCM(21831,21848) = 31 × 191 × 3831 × 23 × 27311
LCM(21831,21848) = 476963688