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What is the Least Common Multiple of 81587 and 81604?

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 81587 and 81604 is 6657825548.

LCM(81587,81604) = 6657825548

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Least Common Multiple of 81587 and 81604 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81587 and 81604, than apply into the LCM equation.

GCF(81587,81604) = 1
LCM(81587,81604) = ( 81587 × 81604) / 1
LCM(81587,81604) = 6657825548 / 1
LCM(81587,81604) = 6657825548

Least Common Multiple (LCM) of 81587 and 81604 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81587 and 81604. First we will calculate the prime factors of 81587 and 81604.

Prime Factorization of 81587

Prime factors of 81587 are 11, 7417. Prime factorization of 81587 in exponential form is:

81587 = 111 × 74171

Prime Factorization of 81604

Prime factors of 81604 are 2, 23, 887. Prime factorization of 81604 in exponential form is:

81604 = 22 × 231 × 8871

Now multiplying the highest exponent prime factors to calculate the LCM of 81587 and 81604.

LCM(81587,81604) = 111 × 74171 × 22 × 231 × 8871
LCM(81587,81604) = 6657825548