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What is the Least Common Multiple of 39243 and 39261?

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 39243 and 39261 is 513573141.

LCM(39243,39261) = 513573141

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Least Common Multiple of 39243 and 39261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39243 and 39261, than apply into the LCM equation.

GCF(39243,39261) = 3
LCM(39243,39261) = ( 39243 × 39261) / 3
LCM(39243,39261) = 1540719423 / 3
LCM(39243,39261) = 513573141

Least Common Multiple (LCM) of 39243 and 39261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39243 and 39261. First we will calculate the prime factors of 39243 and 39261.

Prime Factorization of 39243

Prime factors of 39243 are 3, 103, 127. Prime factorization of 39243 in exponential form is:

39243 = 31 × 1031 × 1271

Prime Factorization of 39261

Prime factors of 39261 are 3, 23, 569. Prime factorization of 39261 in exponential form is:

39261 = 31 × 231 × 5691

Now multiplying the highest exponent prime factors to calculate the LCM of 39243 and 39261.

LCM(39243,39261) = 31 × 1031 × 1271 × 231 × 5691
LCM(39243,39261) = 513573141