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What is the Least Common Multiple of 39072 and 39081?

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 39072 and 39081 is 508990944.

LCM(39072,39081) = 508990944

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Least Common Multiple of 39072 and 39081 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39072 and 39081, than apply into the LCM equation.

GCF(39072,39081) = 3
LCM(39072,39081) = ( 39072 × 39081) / 3
LCM(39072,39081) = 1526972832 / 3
LCM(39072,39081) = 508990944

Least Common Multiple (LCM) of 39072 and 39081 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39072 and 39081. First we will calculate the prime factors of 39072 and 39081.

Prime Factorization of 39072

Prime factors of 39072 are 2, 3, 11, 37. Prime factorization of 39072 in exponential form is:

39072 = 25 × 31 × 111 × 371

Prime Factorization of 39081

Prime factors of 39081 are 3, 7, 1861. Prime factorization of 39081 in exponential form is:

39081 = 31 × 71 × 18611

Now multiplying the highest exponent prime factors to calculate the LCM of 39072 and 39081.

LCM(39072,39081) = 25 × 31 × 111 × 371 × 71 × 18611
LCM(39072,39081) = 508990944