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What is the Least Common Multiple of 81881 and 81899?

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 81881 and 81899 is 6705972019.

LCM(81881,81899) = 6705972019

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Least Common Multiple of 81881 and 81899 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81881 and 81899, than apply into the LCM equation.

GCF(81881,81899) = 1
LCM(81881,81899) = ( 81881 × 81899) / 1
LCM(81881,81899) = 6705972019 / 1
LCM(81881,81899) = 6705972019

Least Common Multiple (LCM) of 81881 and 81899 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81881 and 81899. First we will calculate the prime factors of 81881 and 81899.

Prime Factorization of 81881

Prime factors of 81881 are 37, 2213. Prime factorization of 81881 in exponential form is:

81881 = 371 × 22131

Prime Factorization of 81899

Prime factors of 81899 are 81899. Prime factorization of 81899 in exponential form is:

81899 = 818991

Now multiplying the highest exponent prime factors to calculate the LCM of 81881 and 81899.

LCM(81881,81899) = 371 × 22131 × 818991
LCM(81881,81899) = 6705972019