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What is the Least Common Multiple of 66904 and 66908?

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 66904 and 66908 is 1119103208.

LCM(66904,66908) = 1119103208

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Least Common Multiple of 66904 and 66908 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66904 and 66908, than apply into the LCM equation.

GCF(66904,66908) = 4
LCM(66904,66908) = ( 66904 × 66908) / 4
LCM(66904,66908) = 4476412832 / 4
LCM(66904,66908) = 1119103208

Least Common Multiple (LCM) of 66904 and 66908 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66904 and 66908. First we will calculate the prime factors of 66904 and 66908.

Prime Factorization of 66904

Prime factors of 66904 are 2, 8363. Prime factorization of 66904 in exponential form is:

66904 = 23 × 83631

Prime Factorization of 66908

Prime factors of 66908 are 2, 43, 389. Prime factorization of 66908 in exponential form is:

66908 = 22 × 431 × 3891

Now multiplying the highest exponent prime factors to calculate the LCM of 66904 and 66908.

LCM(66904,66908) = 23 × 83631 × 431 × 3891
LCM(66904,66908) = 1119103208