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What is the Least Common Multiple of 15504 and 15518?

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 15504 and 15518 is 120295536.

LCM(15504,15518) = 120295536

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Least Common Multiple of 15504 and 15518 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15504 and 15518, than apply into the LCM equation.

GCF(15504,15518) = 2
LCM(15504,15518) = ( 15504 × 15518) / 2
LCM(15504,15518) = 240591072 / 2
LCM(15504,15518) = 120295536

Least Common Multiple (LCM) of 15504 and 15518 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15504 and 15518. First we will calculate the prime factors of 15504 and 15518.

Prime Factorization of 15504

Prime factors of 15504 are 2, 3, 17, 19. Prime factorization of 15504 in exponential form is:

15504 = 24 × 31 × 171 × 191

Prime Factorization of 15518

Prime factors of 15518 are 2, 7759. Prime factorization of 15518 in exponential form is:

15518 = 21 × 77591

Now multiplying the highest exponent prime factors to calculate the LCM of 15504 and 15518.

LCM(15504,15518) = 24 × 31 × 171 × 191 × 77591
LCM(15504,15518) = 120295536