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What is the Least Common Multiple of 17280 and 17293?

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 17293 is 298823040.

LCM(17280,17293) = 298823040

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Least Common Multiple of 17280 and 17293 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 17293, than apply into the LCM equation.

GCF(17280,17293) = 1
LCM(17280,17293) = ( 17280 × 17293) / 1
LCM(17280,17293) = 298823040 / 1
LCM(17280,17293) = 298823040

Least Common Multiple (LCM) of 17280 and 17293 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17280 and 17293. First we will calculate the prime factors of 17280 and 17293.

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 17293

Prime factors of 17293 are 17293. Prime factorization of 17293 in exponential form is:

17293 = 172931

Now multiplying the highest exponent prime factors to calculate the LCM of 17280 and 17293.

LCM(17280,17293) = 27 × 33 × 51 × 172931
LCM(17280,17293) = 298823040