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What is the Least Common Multiple of 565 and 576?

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 565 and 576 is 325440.

LCM(565,576) = 325440

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Least Common Multiple of 565 and 576 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 565 and 576, than apply into the LCM equation.

GCF(565,576) = 1
LCM(565,576) = ( 565 × 576) / 1
LCM(565,576) = 325440 / 1
LCM(565,576) = 325440

Least Common Multiple (LCM) of 565 and 576 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 565 and 576. First we will calculate the prime factors of 565 and 576.

Prime Factorization of 565

Prime factors of 565 are 5, 113. Prime factorization of 565 in exponential form is:

565 = 51 × 1131

Prime Factorization of 576

Prime factors of 576 are 2, 3. Prime factorization of 576 in exponential form is:

576 = 26 × 32

Now multiplying the highest exponent prime factors to calculate the LCM of 565 and 576.

LCM(565,576) = 51 × 1131 × 26 × 32
LCM(565,576) = 325440