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What is the Least Common Multiple of 31389 and 31399?

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 31389 and 31399 is 985583211.

LCM(31389,31399) = 985583211

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Least Common Multiple of 31389 and 31399 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31389 and 31399, than apply into the LCM equation.

GCF(31389,31399) = 1
LCM(31389,31399) = ( 31389 × 31399) / 1
LCM(31389,31399) = 985583211 / 1
LCM(31389,31399) = 985583211

Least Common Multiple (LCM) of 31389 and 31399 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31389 and 31399. First we will calculate the prime factors of 31389 and 31399.

Prime Factorization of 31389

Prime factors of 31389 are 3, 10463. Prime factorization of 31389 in exponential form is:

31389 = 31 × 104631

Prime Factorization of 31399

Prime factors of 31399 are 17, 1847. Prime factorization of 31399 in exponential form is:

31399 = 171 × 18471

Now multiplying the highest exponent prime factors to calculate the LCM of 31389 and 31399.

LCM(31389,31399) = 31 × 104631 × 171 × 18471
LCM(31389,31399) = 985583211