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What is the Least Common Multiple of 28544 and 28560?

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 28544 and 28560 is 50951040.

LCM(28544,28560) = 50951040

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Least Common Multiple of 28544 and 28560 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28544 and 28560, than apply into the LCM equation.

GCF(28544,28560) = 16
LCM(28544,28560) = ( 28544 × 28560) / 16
LCM(28544,28560) = 815216640 / 16
LCM(28544,28560) = 50951040

Least Common Multiple (LCM) of 28544 and 28560 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28544 and 28560. First we will calculate the prime factors of 28544 and 28560.

Prime Factorization of 28544

Prime factors of 28544 are 2, 223. Prime factorization of 28544 in exponential form is:

28544 = 27 × 2231

Prime Factorization of 28560

Prime factors of 28560 are 2, 3, 5, 7, 17. Prime factorization of 28560 in exponential form is:

28560 = 24 × 31 × 51 × 71 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 28544 and 28560.

LCM(28544,28560) = 27 × 2231 × 31 × 51 × 71 × 171
LCM(28544,28560) = 50951040