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What is the Least Common Multiple of 89982 and 89999?

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 89982 and 89999 is 8098290018.

LCM(89982,89999) = 8098290018

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Least Common Multiple of 89982 and 89999 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89982 and 89999, than apply into the LCM equation.

GCF(89982,89999) = 1
LCM(89982,89999) = ( 89982 × 89999) / 1
LCM(89982,89999) = 8098290018 / 1
LCM(89982,89999) = 8098290018

Least Common Multiple (LCM) of 89982 and 89999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89982 and 89999. First we will calculate the prime factors of 89982 and 89999.

Prime Factorization of 89982

Prime factors of 89982 are 2, 3, 4999. Prime factorization of 89982 in exponential form is:

89982 = 21 × 32 × 49991

Prime Factorization of 89999

Prime factors of 89999 are 7, 13, 23, 43. Prime factorization of 89999 in exponential form is:

89999 = 71 × 131 × 231 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 89982 and 89999.

LCM(89982,89999) = 21 × 32 × 49991 × 71 × 131 × 231 × 431
LCM(89982,89999) = 8098290018