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What is the Least Common Multiple of 40230 and 40243?

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 40230 and 40243 is 1618975890.

LCM(40230,40243) = 1618975890

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Least Common Multiple of 40230 and 40243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40230 and 40243, than apply into the LCM equation.

GCF(40230,40243) = 1
LCM(40230,40243) = ( 40230 × 40243) / 1
LCM(40230,40243) = 1618975890 / 1
LCM(40230,40243) = 1618975890

Least Common Multiple (LCM) of 40230 and 40243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40230 and 40243. First we will calculate the prime factors of 40230 and 40243.

Prime Factorization of 40230

Prime factors of 40230 are 2, 3, 5, 149. Prime factorization of 40230 in exponential form is:

40230 = 21 × 33 × 51 × 1491

Prime Factorization of 40243

Prime factors of 40243 are 7, 5749. Prime factorization of 40243 in exponential form is:

40243 = 71 × 57491

Now multiplying the highest exponent prime factors to calculate the LCM of 40230 and 40243.

LCM(40230,40243) = 21 × 33 × 51 × 1491 × 71 × 57491
LCM(40230,40243) = 1618975890