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What is the Least Common Multiple of 566 and 580?

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 566 and 580 is 164140.

LCM(566,580) = 164140

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Least Common Multiple of 566 and 580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 566 and 580, than apply into the LCM equation.

GCF(566,580) = 2
LCM(566,580) = ( 566 × 580) / 2
LCM(566,580) = 328280 / 2
LCM(566,580) = 164140

Least Common Multiple (LCM) of 566 and 580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 566 and 580. First we will calculate the prime factors of 566 and 580.

Prime Factorization of 566

Prime factors of 566 are 2, 283. Prime factorization of 566 in exponential form is:

566 = 21 × 2831

Prime Factorization of 580

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

580 = 22 × 51 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 566 and 580.

LCM(566,580) = 22 × 2831 × 51 × 291
LCM(566,580) = 164140