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What is the Least Common Multiple of 81851 and 81866?

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 81851 and 81866 is 6700813966.

LCM(81851,81866) = 6700813966

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Least Common Multiple of 81851 and 81866 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81851 and 81866, than apply into the LCM equation.

GCF(81851,81866) = 1
LCM(81851,81866) = ( 81851 × 81866) / 1
LCM(81851,81866) = 6700813966 / 1
LCM(81851,81866) = 6700813966

Least Common Multiple (LCM) of 81851 and 81866 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81851 and 81866. First we will calculate the prime factors of 81851 and 81866.

Prime Factorization of 81851

Prime factors of 81851 are 7, 11, 1063. Prime factorization of 81851 in exponential form is:

81851 = 71 × 111 × 10631

Prime Factorization of 81866

Prime factors of 81866 are 2, 40933. Prime factorization of 81866 in exponential form is:

81866 = 21 × 409331

Now multiplying the highest exponent prime factors to calculate the LCM of 81851 and 81866.

LCM(81851,81866) = 71 × 111 × 10631 × 21 × 409331
LCM(81851,81866) = 6700813966