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What is the Least Common Multiple of 81887 and 81893?

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 81887 and 81893 is 6705972091.

LCM(81887,81893) = 6705972091

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Least Common Multiple of 81887 and 81893 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81887 and 81893, than apply into the LCM equation.

GCF(81887,81893) = 1
LCM(81887,81893) = ( 81887 × 81893) / 1
LCM(81887,81893) = 6705972091 / 1
LCM(81887,81893) = 6705972091

Least Common Multiple (LCM) of 81887 and 81893 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81887 and 81893. First we will calculate the prime factors of 81887 and 81893.

Prime Factorization of 81887

Prime factors of 81887 are 13, 6299. Prime factorization of 81887 in exponential form is:

81887 = 131 × 62991

Prime Factorization of 81893

Prime factors of 81893 are 7, 11699. Prime factorization of 81893 in exponential form is:

81893 = 71 × 116991

Now multiplying the highest exponent prime factors to calculate the LCM of 81887 and 81893.

LCM(81887,81893) = 131 × 62991 × 71 × 116991
LCM(81887,81893) = 6705972091