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What is the Least Common Multiple of 580 and 600?

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 580 and 600 is 17400.

LCM(580,600) = 17400

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Least Common Multiple of 580 and 600 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 580 and 600, than apply into the LCM equation.

GCF(580,600) = 20
LCM(580,600) = ( 580 × 600) / 20
LCM(580,600) = 348000 / 20
LCM(580,600) = 17400

Least Common Multiple (LCM) of 580 and 600 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 580 and 600. First we will calculate the prime factors of 580 and 600.

Prime Factorization of 580

Prime factors of 580 are 2, 5, 29. Prime factorization of 580 in exponential form is:

580 = 22 × 51 × 291

Prime Factorization of 600

Prime factors of 600 are 2, 3, 5. Prime factorization of 600 in exponential form is:

600 = 23 × 31 × 52

Now multiplying the highest exponent prime factors to calculate the LCM of 580 and 600.

LCM(580,600) = 23 × 52 × 291 × 31
LCM(580,600) = 17400