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What is the Least Common Multiple of 51765 and 51782?

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 51765 and 51782 is 157676190.

LCM(51765,51782) = 157676190

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Least Common Multiple of 51765 and 51782 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51765 and 51782, than apply into the LCM equation.

GCF(51765,51782) = 17
LCM(51765,51782) = ( 51765 × 51782) / 17
LCM(51765,51782) = 2680495230 / 17
LCM(51765,51782) = 157676190

Least Common Multiple (LCM) of 51765 and 51782 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51765 and 51782. First we will calculate the prime factors of 51765 and 51782.

Prime Factorization of 51765

Prime factors of 51765 are 3, 5, 7, 17, 29. Prime factorization of 51765 in exponential form is:

51765 = 31 × 51 × 71 × 171 × 291

Prime Factorization of 51782

Prime factors of 51782 are 2, 17, 1523. Prime factorization of 51782 in exponential form is:

51782 = 21 × 171 × 15231

Now multiplying the highest exponent prime factors to calculate the LCM of 51765 and 51782.

LCM(51765,51782) = 31 × 51 × 71 × 171 × 291 × 21 × 15231
LCM(51765,51782) = 157676190