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What is the Least Common Multiple of 15787 and 15798?

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 15787 and 15798 is 249403026.

LCM(15787,15798) = 249403026

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Least Common Multiple of 15787 and 15798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15787 and 15798, than apply into the LCM equation.

GCF(15787,15798) = 1
LCM(15787,15798) = ( 15787 × 15798) / 1
LCM(15787,15798) = 249403026 / 1
LCM(15787,15798) = 249403026

Least Common Multiple (LCM) of 15787 and 15798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15787 and 15798. First we will calculate the prime factors of 15787 and 15798.

Prime Factorization of 15787

Prime factors of 15787 are 15787. Prime factorization of 15787 in exponential form is:

15787 = 157871

Prime Factorization of 15798

Prime factors of 15798 are 2, 3, 2633. Prime factorization of 15798 in exponential form is:

15798 = 21 × 31 × 26331

Now multiplying the highest exponent prime factors to calculate the LCM of 15787 and 15798.

LCM(15787,15798) = 157871 × 21 × 31 × 26331
LCM(15787,15798) = 249403026