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What is the Least Common Multiple of 33430 and 33438?

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 33430 and 33438 is 558916170.

LCM(33430,33438) = 558916170

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Least Common Multiple of 33430 and 33438 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 33430 and 33438, than apply into the LCM equation.

GCF(33430,33438) = 2
LCM(33430,33438) = ( 33430 × 33438) / 2
LCM(33430,33438) = 1117832340 / 2
LCM(33430,33438) = 558916170

Least Common Multiple (LCM) of 33430 and 33438 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 33430 and 33438. First we will calculate the prime factors of 33430 and 33438.

Prime Factorization of 33430

Prime factors of 33430 are 2, 5, 3343. Prime factorization of 33430 in exponential form is:

33430 = 21 × 51 × 33431

Prime Factorization of 33438

Prime factors of 33438 are 2, 3, 5573. Prime factorization of 33438 in exponential form is:

33438 = 21 × 31 × 55731

Now multiplying the highest exponent prime factors to calculate the LCM of 33430 and 33438.

LCM(33430,33438) = 21 × 51 × 33431 × 31 × 55731
LCM(33430,33438) = 558916170