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What is the Least Common Multiple of 586 and 590?

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 586 and 590 is 172870.

LCM(586,590) = 172870

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Least Common Multiple of 586 and 590 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 586 and 590, than apply into the LCM equation.

GCF(586,590) = 2
LCM(586,590) = ( 586 × 590) / 2
LCM(586,590) = 345740 / 2
LCM(586,590) = 172870

Least Common Multiple (LCM) of 586 and 590 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 586 and 590. First we will calculate the prime factors of 586 and 590.

Prime Factorization of 586

Prime factors of 586 are 2, 293. Prime factorization of 586 in exponential form is:

586 = 21 × 2931

Prime Factorization of 590

Prime factors of 590 are 2, 5, 59. Prime factorization of 590 in exponential form is:

590 = 21 × 51 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 586 and 590.

LCM(586,590) = 21 × 2931 × 51 × 591
LCM(586,590) = 172870