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What is the Least Common Multiple of 43290 and 43309?

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 43290 and 43309 is 1874846610.

LCM(43290,43309) = 1874846610

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Least Common Multiple of 43290 and 43309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43290 and 43309, than apply into the LCM equation.

GCF(43290,43309) = 1
LCM(43290,43309) = ( 43290 × 43309) / 1
LCM(43290,43309) = 1874846610 / 1
LCM(43290,43309) = 1874846610

Least Common Multiple (LCM) of 43290 and 43309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43290 and 43309. First we will calculate the prime factors of 43290 and 43309.

Prime Factorization of 43290

Prime factors of 43290 are 2, 3, 5, 13, 37. Prime factorization of 43290 in exponential form is:

43290 = 21 × 32 × 51 × 131 × 371

Prime Factorization of 43309

Prime factors of 43309 are 7, 23, 269. Prime factorization of 43309 in exponential form is:

43309 = 71 × 231 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 43290 and 43309.

LCM(43290,43309) = 21 × 32 × 51 × 131 × 371 × 71 × 231 × 2691
LCM(43290,43309) = 1874846610