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What is the Least Common Multiple of 70904 and 70908?

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 70904 and 70908 is 1256915208.

LCM(70904,70908) = 1256915208

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Least Common Multiple of 70904 and 70908 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70904 and 70908, than apply into the LCM equation.

GCF(70904,70908) = 4
LCM(70904,70908) = ( 70904 × 70908) / 4
LCM(70904,70908) = 5027660832 / 4
LCM(70904,70908) = 1256915208

Least Common Multiple (LCM) of 70904 and 70908 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70904 and 70908. First we will calculate the prime factors of 70904 and 70908.

Prime Factorization of 70904

Prime factors of 70904 are 2, 8863. Prime factorization of 70904 in exponential form is:

70904 = 23 × 88631

Prime Factorization of 70908

Prime factors of 70908 are 2, 3, 19, 311. Prime factorization of 70908 in exponential form is:

70908 = 22 × 31 × 191 × 3111

Now multiplying the highest exponent prime factors to calculate the LCM of 70904 and 70908.

LCM(70904,70908) = 23 × 88631 × 31 × 191 × 3111
LCM(70904,70908) = 1256915208