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What is the Least Common Multiple of 19504 and 19521?

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 19504 and 19521 is 380737584.

LCM(19504,19521) = 380737584

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Least Common Multiple of 19504 and 19521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19504 and 19521, than apply into the LCM equation.

GCF(19504,19521) = 1
LCM(19504,19521) = ( 19504 × 19521) / 1
LCM(19504,19521) = 380737584 / 1
LCM(19504,19521) = 380737584

Least Common Multiple (LCM) of 19504 and 19521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19504 and 19521. First we will calculate the prime factors of 19504 and 19521.

Prime Factorization of 19504

Prime factors of 19504 are 2, 23, 53. Prime factorization of 19504 in exponential form is:

19504 = 24 × 231 × 531

Prime Factorization of 19521

Prime factors of 19521 are 3, 241. Prime factorization of 19521 in exponential form is:

19521 = 34 × 2411

Now multiplying the highest exponent prime factors to calculate the LCM of 19504 and 19521.

LCM(19504,19521) = 24 × 231 × 531 × 34 × 2411
LCM(19504,19521) = 380737584