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What is the Least Common Multiple of 91815 and 91827?

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 91827 is 2810365335.

LCM(91815,91827) = 2810365335

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Least Common Multiple of 91815 and 91827 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 91827, than apply into the LCM equation.

GCF(91815,91827) = 3
LCM(91815,91827) = ( 91815 × 91827) / 3
LCM(91815,91827) = 8431096005 / 3
LCM(91815,91827) = 2810365335

Least Common Multiple (LCM) of 91815 and 91827 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91815 and 91827. First we will calculate the prime factors of 91815 and 91827.

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 91827

Prime factors of 91827 are 3, 19, 179. Prime factorization of 91827 in exponential form is:

91827 = 33 × 191 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 91815 and 91827.

LCM(91815,91827) = 33 × 51 × 61211 × 191 × 1791
LCM(91815,91827) = 2810365335