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What is the Least Common Multiple of 9845 and 9857?

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 9845 and 9857 is 97042165.

LCM(9845,9857) = 97042165

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Least Common Multiple of 9845 and 9857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9845 and 9857, than apply into the LCM equation.

GCF(9845,9857) = 1
LCM(9845,9857) = ( 9845 × 9857) / 1
LCM(9845,9857) = 97042165 / 1
LCM(9845,9857) = 97042165

Least Common Multiple (LCM) of 9845 and 9857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9845 and 9857. First we will calculate the prime factors of 9845 and 9857.

Prime Factorization of 9845

Prime factors of 9845 are 5, 11, 179. Prime factorization of 9845 in exponential form is:

9845 = 51 × 111 × 1791

Prime Factorization of 9857

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

9857 = 98571

Now multiplying the highest exponent prime factors to calculate the LCM of 9845 and 9857.

LCM(9845,9857) = 51 × 111 × 1791 × 98571
LCM(9845,9857) = 97042165