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What is the Least Common Multiple of 81757 and 81762?

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 81757 and 81762 is 6684615834.

LCM(81757,81762) = 6684615834

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Least Common Multiple of 81757 and 81762 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81757 and 81762, than apply into the LCM equation.

GCF(81757,81762) = 1
LCM(81757,81762) = ( 81757 × 81762) / 1
LCM(81757,81762) = 6684615834 / 1
LCM(81757,81762) = 6684615834

Least Common Multiple (LCM) of 81757 and 81762 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81757 and 81762. First we will calculate the prime factors of 81757 and 81762.

Prime Factorization of 81757

Prime factors of 81757 are 13, 19, 331. Prime factorization of 81757 in exponential form is:

81757 = 131 × 191 × 3311

Prime Factorization of 81762

Prime factors of 81762 are 2, 3, 13627. Prime factorization of 81762 in exponential form is:

81762 = 21 × 31 × 136271

Now multiplying the highest exponent prime factors to calculate the LCM of 81757 and 81762.

LCM(81757,81762) = 131 × 191 × 3311 × 21 × 31 × 136271
LCM(81757,81762) = 6684615834