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What is the Least Common Multiple of 43281 and 43285?

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 43281 and 43285 is 1873418085.

LCM(43281,43285) = 1873418085

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Least Common Multiple of 43281 and 43285 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43281 and 43285, than apply into the LCM equation.

GCF(43281,43285) = 1
LCM(43281,43285) = ( 43281 × 43285) / 1
LCM(43281,43285) = 1873418085 / 1
LCM(43281,43285) = 1873418085

Least Common Multiple (LCM) of 43281 and 43285 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43281 and 43285. First we will calculate the prime factors of 43281 and 43285.

Prime Factorization of 43281

Prime factors of 43281 are 3, 7, 229. Prime factorization of 43281 in exponential form is:

43281 = 33 × 71 × 2291

Prime Factorization of 43285

Prime factors of 43285 are 5, 11, 787. Prime factorization of 43285 in exponential form is:

43285 = 51 × 111 × 7871

Now multiplying the highest exponent prime factors to calculate the LCM of 43281 and 43285.

LCM(43281,43285) = 33 × 71 × 2291 × 51 × 111 × 7871
LCM(43281,43285) = 1873418085