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What is the Least Common Multiple of 578 and 584?

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 578 and 584 is 168776.

LCM(578,584) = 168776

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Least Common Multiple of 578 and 584 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 578 and 584, than apply into the LCM equation.

GCF(578,584) = 2
LCM(578,584) = ( 578 × 584) / 2
LCM(578,584) = 337552 / 2
LCM(578,584) = 168776

Least Common Multiple (LCM) of 578 and 584 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 578 and 584. First we will calculate the prime factors of 578 and 584.

Prime Factorization of 578

Prime factors of 578 are 2, 17. Prime factorization of 578 in exponential form is:

578 = 21 × 172

Prime Factorization of 584

Prime factors of 584 are 2, 73. Prime factorization of 584 in exponential form is:

584 = 23 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 578 and 584.

LCM(578,584) = 23 × 172 × 731
LCM(578,584) = 168776