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What is the Least Common Multiple of 28858 and 28864?

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 28858 and 28864 is 416478656.

LCM(28858,28864) = 416478656

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Least Common Multiple of 28858 and 28864 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28858 and 28864, than apply into the LCM equation.

GCF(28858,28864) = 2
LCM(28858,28864) = ( 28858 × 28864) / 2
LCM(28858,28864) = 832957312 / 2
LCM(28858,28864) = 416478656

Least Common Multiple (LCM) of 28858 and 28864 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28858 and 28864. First we will calculate the prime factors of 28858 and 28864.

Prime Factorization of 28858

Prime factors of 28858 are 2, 47, 307. Prime factorization of 28858 in exponential form is:

28858 = 21 × 471 × 3071

Prime Factorization of 28864

Prime factors of 28864 are 2, 11, 41. Prime factorization of 28864 in exponential form is:

28864 = 26 × 111 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 28858 and 28864.

LCM(28858,28864) = 26 × 471 × 3071 × 111 × 411
LCM(28858,28864) = 416478656