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What is the Least Common Multiple of 85904 and 85924?

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 85904 and 85924 is 1845303824.

LCM(85904,85924) = 1845303824

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Least Common Multiple of 85904 and 85924 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85904 and 85924, than apply into the LCM equation.

GCF(85904,85924) = 4
LCM(85904,85924) = ( 85904 × 85924) / 4
LCM(85904,85924) = 7381215296 / 4
LCM(85904,85924) = 1845303824

Least Common Multiple (LCM) of 85904 and 85924 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85904 and 85924. First we will calculate the prime factors of 85904 and 85924.

Prime Factorization of 85904

Prime factors of 85904 are 2, 7, 13, 59. Prime factorization of 85904 in exponential form is:

85904 = 24 × 71 × 131 × 591

Prime Factorization of 85924

Prime factors of 85924 are 2, 21481. Prime factorization of 85924 in exponential form is:

85924 = 22 × 214811

Now multiplying the highest exponent prime factors to calculate the LCM of 85904 and 85924.

LCM(85904,85924) = 24 × 71 × 131 × 591 × 214811
LCM(85904,85924) = 1845303824