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What is the Least Common Multiple of 30243 and 30261?

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 30243 and 30261 is 305061141.

LCM(30243,30261) = 305061141

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Least Common Multiple of 30243 and 30261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30243 and 30261, than apply into the LCM equation.

GCF(30243,30261) = 3
LCM(30243,30261) = ( 30243 × 30261) / 3
LCM(30243,30261) = 915183423 / 3
LCM(30243,30261) = 305061141

Least Common Multiple (LCM) of 30243 and 30261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30243 and 30261. First we will calculate the prime factors of 30243 and 30261.

Prime Factorization of 30243

Prime factors of 30243 are 3, 17, 593. Prime factorization of 30243 in exponential form is:

30243 = 31 × 171 × 5931

Prime Factorization of 30261

Prime factors of 30261 are 3, 7, 11, 131. Prime factorization of 30261 in exponential form is:

30261 = 31 × 71 × 111 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 30243 and 30261.

LCM(30243,30261) = 31 × 171 × 5931 × 71 × 111 × 1311
LCM(30243,30261) = 305061141