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What is the Least Common Multiple of 562 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 562 and 576 is 161856.

LCM(562,576) = 161856

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Least Common Multiple of 562 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 562 and 576, than apply into the LCM equation.

GCF(562,576) = 2
LCM(562,576) = ( 562 × 576) / 2
LCM(562,576) = 323712 / 2
LCM(562,576) = 161856

Least Common Multiple (LCM) of 562 and 576 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 562 and 576. First we will calculate the prime factors of 562 and 576.

Prime Factorization of 562

Prime factors of 562 are 2, 281. Prime factorization of 562 in exponential form is:

562 = 21 × 2811

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 562 and 576.

LCM(562,576) = 26 × 2811 × 32
LCM(562,576) = 161856