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What is the Least Common Multiple of 28287 and 28302?

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 28287 and 28302 is 266859558.

LCM(28287,28302) = 266859558

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Least Common Multiple of 28287 and 28302 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28287 and 28302, than apply into the LCM equation.

GCF(28287,28302) = 3
LCM(28287,28302) = ( 28287 × 28302) / 3
LCM(28287,28302) = 800578674 / 3
LCM(28287,28302) = 266859558

Least Common Multiple (LCM) of 28287 and 28302 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28287 and 28302. First we will calculate the prime factors of 28287 and 28302.

Prime Factorization of 28287

Prime factors of 28287 are 3, 7, 449. Prime factorization of 28287 in exponential form is:

28287 = 32 × 71 × 4491

Prime Factorization of 28302

Prime factors of 28302 are 2, 3, 53, 89. Prime factorization of 28302 in exponential form is:

28302 = 21 × 31 × 531 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 28287 and 28302.

LCM(28287,28302) = 32 × 71 × 4491 × 21 × 531 × 891
LCM(28287,28302) = 266859558