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What is the Least Common Multiple of 40731 and 40738?

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 40731 and 40738 is 1659299478.

LCM(40731,40738) = 1659299478

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Least Common Multiple of 40731 and 40738 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40731 and 40738, than apply into the LCM equation.

GCF(40731,40738) = 1
LCM(40731,40738) = ( 40731 × 40738) / 1
LCM(40731,40738) = 1659299478 / 1
LCM(40731,40738) = 1659299478

Least Common Multiple (LCM) of 40731 and 40738 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40731 and 40738. First we will calculate the prime factors of 40731 and 40738.

Prime Factorization of 40731

Prime factors of 40731 are 3, 13577. Prime factorization of 40731 in exponential form is:

40731 = 31 × 135771

Prime Factorization of 40738

Prime factors of 40738 are 2, 20369. Prime factorization of 40738 in exponential form is:

40738 = 21 × 203691

Now multiplying the highest exponent prime factors to calculate the LCM of 40731 and 40738.

LCM(40731,40738) = 31 × 135771 × 21 × 203691
LCM(40731,40738) = 1659299478