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What is the Least Common Multiple of 288 and 304?

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 288 and 304 is 5472.

LCM(288,304) = 5472

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Least Common Multiple of 288 and 304 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 288 and 304, than apply into the LCM equation.

GCF(288,304) = 16
LCM(288,304) = ( 288 × 304) / 16
LCM(288,304) = 87552 / 16
LCM(288,304) = 5472

Least Common Multiple (LCM) of 288 and 304 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 288 and 304. First we will calculate the prime factors of 288 and 304.

Prime Factorization of 288

Prime factors of 288 are 2, 3. Prime factorization of 288 in exponential form is:

288 = 25 × 32

Prime Factorization of 304

Prime factors of 304 are 2, 19. Prime factorization of 304 in exponential form is:

304 = 24 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 288 and 304.

LCM(288,304) = 25 × 32 × 191
LCM(288,304) = 5472