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What is the Least Common Multiple of 81803 and 81814?

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 81803 and 81814 is 6692630642.

LCM(81803,81814) = 6692630642

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Least Common Multiple of 81803 and 81814 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81803 and 81814, than apply into the LCM equation.

GCF(81803,81814) = 1
LCM(81803,81814) = ( 81803 × 81814) / 1
LCM(81803,81814) = 6692630642 / 1
LCM(81803,81814) = 6692630642

Least Common Multiple (LCM) of 81803 and 81814 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81803 and 81814. First we will calculate the prime factors of 81803 and 81814.

Prime Factorization of 81803

Prime factors of 81803 are 179, 457. Prime factorization of 81803 in exponential form is:

81803 = 1791 × 4571

Prime Factorization of 81814

Prime factors of 81814 are 2, 19, 2153. Prime factorization of 81814 in exponential form is:

81814 = 21 × 191 × 21531

Now multiplying the highest exponent prime factors to calculate the LCM of 81803 and 81814.

LCM(81803,81814) = 1791 × 4571 × 21 × 191 × 21531
LCM(81803,81814) = 6692630642