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What is the Least Common Multiple of 21584 and 21597?

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 21584 and 21597 is 466149648.

LCM(21584,21597) = 466149648

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Least Common Multiple of 21584 and 21597 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21584 and 21597, than apply into the LCM equation.

GCF(21584,21597) = 1
LCM(21584,21597) = ( 21584 × 21597) / 1
LCM(21584,21597) = 466149648 / 1
LCM(21584,21597) = 466149648

Least Common Multiple (LCM) of 21584 and 21597 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21584 and 21597. First we will calculate the prime factors of 21584 and 21597.

Prime Factorization of 21584

Prime factors of 21584 are 2, 19, 71. Prime factorization of 21584 in exponential form is:

21584 = 24 × 191 × 711

Prime Factorization of 21597

Prime factors of 21597 are 3, 23, 313. Prime factorization of 21597 in exponential form is:

21597 = 31 × 231 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 21584 and 21597.

LCM(21584,21597) = 24 × 191 × 711 × 31 × 231 × 3131
LCM(21584,21597) = 466149648