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What is the Least Common Multiple of 91873 and 91889?

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 91873 and 91889 is 8442118097.

LCM(91873,91889) = 8442118097

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Least Common Multiple of 91873 and 91889 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91873 and 91889, than apply into the LCM equation.

GCF(91873,91889) = 1
LCM(91873,91889) = ( 91873 × 91889) / 1
LCM(91873,91889) = 8442118097 / 1
LCM(91873,91889) = 8442118097

Least Common Multiple (LCM) of 91873 and 91889 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91873 and 91889. First we will calculate the prime factors of 91873 and 91889.

Prime Factorization of 91873

Prime factors of 91873 are 91873. Prime factorization of 91873 in exponential form is:

91873 = 918731

Prime Factorization of 91889

Prime factors of 91889 are 7, 13127. Prime factorization of 91889 in exponential form is:

91889 = 71 × 131271

Now multiplying the highest exponent prime factors to calculate the LCM of 91873 and 91889.

LCM(91873,91889) = 918731 × 71 × 131271
LCM(91873,91889) = 8442118097