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What is the Least Common Multiple of 81823 and 81841?

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 81823 and 81841 is 6696476143.

LCM(81823,81841) = 6696476143

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Least Common Multiple of 81823 and 81841 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81823 and 81841, than apply into the LCM equation.

GCF(81823,81841) = 1
LCM(81823,81841) = ( 81823 × 81841) / 1
LCM(81823,81841) = 6696476143 / 1
LCM(81823,81841) = 6696476143

Least Common Multiple (LCM) of 81823 and 81841 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81823 and 81841. First we will calculate the prime factors of 81823 and 81841.

Prime Factorization of 81823

Prime factors of 81823 are 7, 11689. Prime factorization of 81823 in exponential form is:

81823 = 71 × 116891

Prime Factorization of 81841

Prime factors of 81841 are 223, 367. Prime factorization of 81841 in exponential form is:

81841 = 2231 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 81823 and 81841.

LCM(81823,81841) = 71 × 116891 × 2231 × 3671
LCM(81823,81841) = 6696476143