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What is the Least Common Multiple of 15897 and 15911?

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 15897 and 15911 is 36133881.

LCM(15897,15911) = 36133881

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Least Common Multiple of 15897 and 15911 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15897 and 15911, than apply into the LCM equation.

GCF(15897,15911) = 7
LCM(15897,15911) = ( 15897 × 15911) / 7
LCM(15897,15911) = 252937167 / 7
LCM(15897,15911) = 36133881

Least Common Multiple (LCM) of 15897 and 15911 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15897 and 15911. First we will calculate the prime factors of 15897 and 15911.

Prime Factorization of 15897

Prime factors of 15897 are 3, 7, 757. Prime factorization of 15897 in exponential form is:

15897 = 31 × 71 × 7571

Prime Factorization of 15911

Prime factors of 15911 are 7, 2273. Prime factorization of 15911 in exponential form is:

15911 = 71 × 22731

Now multiplying the highest exponent prime factors to calculate the LCM of 15897 and 15911.

LCM(15897,15911) = 31 × 71 × 7571 × 22731
LCM(15897,15911) = 36133881