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What is the Least Common Multiple of 16215 and 16231?

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 16215 and 16231 is 263185665.

LCM(16215,16231) = 263185665

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Least Common Multiple of 16215 and 16231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16215 and 16231, than apply into the LCM equation.

GCF(16215,16231) = 1
LCM(16215,16231) = ( 16215 × 16231) / 1
LCM(16215,16231) = 263185665 / 1
LCM(16215,16231) = 263185665

Least Common Multiple (LCM) of 16215 and 16231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16215 and 16231. First we will calculate the prime factors of 16215 and 16231.

Prime Factorization of 16215

Prime factors of 16215 are 3, 5, 23, 47. Prime factorization of 16215 in exponential form is:

16215 = 31 × 51 × 231 × 471

Prime Factorization of 16231

Prime factors of 16231 are 16231. Prime factorization of 16231 in exponential form is:

16231 = 162311

Now multiplying the highest exponent prime factors to calculate the LCM of 16215 and 16231.

LCM(16215,16231) = 31 × 51 × 231 × 471 × 162311
LCM(16215,16231) = 263185665