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What is the Least Common Multiple of 28768 and 28779?

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 28768 and 28779 is 827914272.

LCM(28768,28779) = 827914272

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Least Common Multiple of 28768 and 28779 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28768 and 28779, than apply into the LCM equation.

GCF(28768,28779) = 1
LCM(28768,28779) = ( 28768 × 28779) / 1
LCM(28768,28779) = 827914272 / 1
LCM(28768,28779) = 827914272

Least Common Multiple (LCM) of 28768 and 28779 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28768 and 28779. First we will calculate the prime factors of 28768 and 28779.

Prime Factorization of 28768

Prime factors of 28768 are 2, 29, 31. Prime factorization of 28768 in exponential form is:

28768 = 25 × 291 × 311

Prime Factorization of 28779

Prime factors of 28779 are 3, 53, 181. Prime factorization of 28779 in exponential form is:

28779 = 31 × 531 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 28768 and 28779.

LCM(28768,28779) = 25 × 291 × 311 × 31 × 531 × 1811
LCM(28768,28779) = 827914272