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What is the Least Common Multiple of 585 and 597?

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 585 and 597 is 116415.

LCM(585,597) = 116415

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Least Common Multiple of 585 and 597 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 585 and 597, than apply into the LCM equation.

GCF(585,597) = 3
LCM(585,597) = ( 585 × 597) / 3
LCM(585,597) = 349245 / 3
LCM(585,597) = 116415

Least Common Multiple (LCM) of 585 and 597 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 585 and 597. First we will calculate the prime factors of 585 and 597.

Prime Factorization of 585

Prime factors of 585 are 3, 5, 13. Prime factorization of 585 in exponential form is:

585 = 32 × 51 × 131

Prime Factorization of 597

Prime factors of 597 are 3, 199. Prime factorization of 597 in exponential form is:

597 = 31 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 585 and 597.

LCM(585,597) = 32 × 51 × 131 × 1991
LCM(585,597) = 116415