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What is the Least Common Multiple of 288 and 292?

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 292 is 21024.

LCM(288,292) = 21024

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Least Common Multiple of 288 and 292 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 292, than apply into the LCM equation.

GCF(288,292) = 4
LCM(288,292) = ( 288 × 292) / 4
LCM(288,292) = 84096 / 4
LCM(288,292) = 21024

Least Common Multiple (LCM) of 288 and 292 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 288 and 292. First we will calculate the prime factors of 288 and 292.

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 292

Prime factors of 292 are 2, 73. Prime factorization of 292 in exponential form is:

292 = 22 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 288 and 292.

LCM(288,292) = 25 × 32 × 731
LCM(288,292) = 21024