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What is the Least Common Multiple of 90845 and 90857?

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 90845 and 90857 is 8253904165.

LCM(90845,90857) = 8253904165

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Least Common Multiple of 90845 and 90857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90845 and 90857, than apply into the LCM equation.

GCF(90845,90857) = 1
LCM(90845,90857) = ( 90845 × 90857) / 1
LCM(90845,90857) = 8253904165 / 1
LCM(90845,90857) = 8253904165

Least Common Multiple (LCM) of 90845 and 90857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90845 and 90857. First we will calculate the prime factors of 90845 and 90857.

Prime Factorization of 90845

Prime factors of 90845 are 5, 18169. Prime factorization of 90845 in exponential form is:

90845 = 51 × 181691

Prime Factorization of 90857

Prime factors of 90857 are 13, 29, 241. Prime factorization of 90857 in exponential form is:

90857 = 131 × 291 × 2411

Now multiplying the highest exponent prime factors to calculate the LCM of 90845 and 90857.

LCM(90845,90857) = 51 × 181691 × 131 × 291 × 2411
LCM(90845,90857) = 8253904165