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What is the Least Common Multiple of 51856 and 51866?

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 51856 and 51866 is 1344781648.

LCM(51856,51866) = 1344781648

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Least Common Multiple of 51856 and 51866 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51856 and 51866, than apply into the LCM equation.

GCF(51856,51866) = 2
LCM(51856,51866) = ( 51856 × 51866) / 2
LCM(51856,51866) = 2689563296 / 2
LCM(51856,51866) = 1344781648

Least Common Multiple (LCM) of 51856 and 51866 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51856 and 51866. First we will calculate the prime factors of 51856 and 51866.

Prime Factorization of 51856

Prime factors of 51856 are 2, 7, 463. Prime factorization of 51856 in exponential form is:

51856 = 24 × 71 × 4631

Prime Factorization of 51866

Prime factors of 51866 are 2, 25933. Prime factorization of 51866 in exponential form is:

51866 = 21 × 259331

Now multiplying the highest exponent prime factors to calculate the LCM of 51856 and 51866.

LCM(51856,51866) = 24 × 71 × 4631 × 259331
LCM(51856,51866) = 1344781648