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What is the Least Common Multiple of 17280 and 17292?

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 17280 and 17292 is 24900480.

LCM(17280,17292) = 24900480

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Least Common Multiple of 17280 and 17292 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17280 and 17292, than apply into the LCM equation.

GCF(17280,17292) = 12
LCM(17280,17292) = ( 17280 × 17292) / 12
LCM(17280,17292) = 298805760 / 12
LCM(17280,17292) = 24900480

Least Common Multiple (LCM) of 17280 and 17292 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17280 and 17292. First we will calculate the prime factors of 17280 and 17292.

Prime Factorization of 17280

Prime factors of 17280 are 2, 3, 5. Prime factorization of 17280 in exponential form is:

17280 = 27 × 33 × 51

Prime Factorization of 17292

Prime factors of 17292 are 2, 3, 11, 131. Prime factorization of 17292 in exponential form is:

17292 = 22 × 31 × 111 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 17280 and 17292.

LCM(17280,17292) = 27 × 33 × 51 × 111 × 1311
LCM(17280,17292) = 24900480