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What is the Least Common Multiple of 15519 and 15531?

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 15519 and 15531 is 80341863.

LCM(15519,15531) = 80341863

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Least Common Multiple of 15519 and 15531 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15519 and 15531, than apply into the LCM equation.

GCF(15519,15531) = 3
LCM(15519,15531) = ( 15519 × 15531) / 3
LCM(15519,15531) = 241025589 / 3
LCM(15519,15531) = 80341863

Least Common Multiple (LCM) of 15519 and 15531 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15519 and 15531. First we will calculate the prime factors of 15519 and 15531.

Prime Factorization of 15519

Prime factors of 15519 are 3, 7, 739. Prime factorization of 15519 in exponential form is:

15519 = 31 × 71 × 7391

Prime Factorization of 15531

Prime factors of 15531 are 3, 31, 167. Prime factorization of 15531 in exponential form is:

15531 = 31 × 311 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 15519 and 15531.

LCM(15519,15531) = 31 × 71 × 7391 × 311 × 1671
LCM(15519,15531) = 80341863