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What is the Least Common Multiple of 91815 and 91823?

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 91815 and 91823 is 8430728745.

LCM(91815,91823) = 8430728745

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Least Common Multiple of 91815 and 91823 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91815 and 91823, than apply into the LCM equation.

GCF(91815,91823) = 1
LCM(91815,91823) = ( 91815 × 91823) / 1
LCM(91815,91823) = 8430728745 / 1
LCM(91815,91823) = 8430728745

Least Common Multiple (LCM) of 91815 and 91823 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91815 and 91823. First we will calculate the prime factors of 91815 and 91823.

Prime Factorization of 91815

Prime factors of 91815 are 3, 5, 6121. Prime factorization of 91815 in exponential form is:

91815 = 31 × 51 × 61211

Prime Factorization of 91823

Prime factors of 91823 are 91823. Prime factorization of 91823 in exponential form is:

91823 = 918231

Now multiplying the highest exponent prime factors to calculate the LCM of 91815 and 91823.

LCM(91815,91823) = 31 × 51 × 61211 × 918231
LCM(91815,91823) = 8430728745