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What is the Least Common Multiple of 15312 and 15323?

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 15312 and 15323 is 21329616.

LCM(15312,15323) = 21329616

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Least Common Multiple of 15312 and 15323 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15312 and 15323, than apply into the LCM equation.

GCF(15312,15323) = 11
LCM(15312,15323) = ( 15312 × 15323) / 11
LCM(15312,15323) = 234625776 / 11
LCM(15312,15323) = 21329616

Least Common Multiple (LCM) of 15312 and 15323 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15312 and 15323. First we will calculate the prime factors of 15312 and 15323.

Prime Factorization of 15312

Prime factors of 15312 are 2, 3, 11, 29. Prime factorization of 15312 in exponential form is:

15312 = 24 × 31 × 111 × 291

Prime Factorization of 15323

Prime factors of 15323 are 7, 11, 199. Prime factorization of 15323 in exponential form is:

15323 = 71 × 111 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 15312 and 15323.

LCM(15312,15323) = 24 × 31 × 111 × 291 × 71 × 1991
LCM(15312,15323) = 21329616