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What is the Least Common Multiple of 87904 and 87918?

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 87904 and 87918 is 3864171936.

LCM(87904,87918) = 3864171936

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Least Common Multiple of 87904 and 87918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87904 and 87918, than apply into the LCM equation.

GCF(87904,87918) = 2
LCM(87904,87918) = ( 87904 × 87918) / 2
LCM(87904,87918) = 7728343872 / 2
LCM(87904,87918) = 3864171936

Least Common Multiple (LCM) of 87904 and 87918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87904 and 87918. First we will calculate the prime factors of 87904 and 87918.

Prime Factorization of 87904

Prime factors of 87904 are 2, 41, 67. Prime factorization of 87904 in exponential form is:

87904 = 25 × 411 × 671

Prime Factorization of 87918

Prime factors of 87918 are 2, 3, 14653. Prime factorization of 87918 in exponential form is:

87918 = 21 × 31 × 146531

Now multiplying the highest exponent prime factors to calculate the LCM of 87904 and 87918.

LCM(87904,87918) = 25 × 411 × 671 × 31 × 146531
LCM(87904,87918) = 3864171936