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What is the Least Common Multiple of 28281 and 28288?

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 28281 and 28288 is 800012928.

LCM(28281,28288) = 800012928

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Least Common Multiple of 28281 and 28288 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28281 and 28288, than apply into the LCM equation.

GCF(28281,28288) = 1
LCM(28281,28288) = ( 28281 × 28288) / 1
LCM(28281,28288) = 800012928 / 1
LCM(28281,28288) = 800012928

Least Common Multiple (LCM) of 28281 and 28288 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28281 and 28288. First we will calculate the prime factors of 28281 and 28288.

Prime Factorization of 28281

Prime factors of 28281 are 3, 11, 857. Prime factorization of 28281 in exponential form is:

28281 = 31 × 111 × 8571

Prime Factorization of 28288

Prime factors of 28288 are 2, 13, 17. Prime factorization of 28288 in exponential form is:

28288 = 27 × 131 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 28281 and 28288.

LCM(28281,28288) = 31 × 111 × 8571 × 27 × 131 × 171
LCM(28281,28288) = 800012928