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What is the Least Common Multiple of 9857 and 9865?

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 9857 and 9865 is 97239305.

LCM(9857,9865) = 97239305

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Least Common Multiple of 9857 and 9865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9857 and 9865, than apply into the LCM equation.

GCF(9857,9865) = 1
LCM(9857,9865) = ( 9857 × 9865) / 1
LCM(9857,9865) = 97239305 / 1
LCM(9857,9865) = 97239305

Least Common Multiple (LCM) of 9857 and 9865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9857 and 9865. First we will calculate the prime factors of 9857 and 9865.

Prime Factorization of 9857

Prime factors of 9857 are 9857. Prime factorization of 9857 in exponential form is:

9857 = 98571

Prime Factorization of 9865

Prime factors of 9865 are 5, 1973. Prime factorization of 9865 in exponential form is:

9865 = 51 × 19731

Now multiplying the highest exponent prime factors to calculate the LCM of 9857 and 9865.

LCM(9857,9865) = 98571 × 51 × 19731
LCM(9857,9865) = 97239305