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What is the Least Common Multiple of 43629 and 43638?

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 43629 and 43638 is 634627434.

LCM(43629,43638) = 634627434

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Least Common Multiple of 43629 and 43638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43629 and 43638, than apply into the LCM equation.

GCF(43629,43638) = 3
LCM(43629,43638) = ( 43629 × 43638) / 3
LCM(43629,43638) = 1903882302 / 3
LCM(43629,43638) = 634627434

Least Common Multiple (LCM) of 43629 and 43638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43629 and 43638. First we will calculate the prime factors of 43629 and 43638.

Prime Factorization of 43629

Prime factors of 43629 are 3, 14543. Prime factorization of 43629 in exponential form is:

43629 = 31 × 145431

Prime Factorization of 43638

Prime factors of 43638 are 2, 3, 7, 1039. Prime factorization of 43638 in exponential form is:

43638 = 21 × 31 × 71 × 10391

Now multiplying the highest exponent prime factors to calculate the LCM of 43629 and 43638.

LCM(43629,43638) = 31 × 145431 × 21 × 71 × 10391
LCM(43629,43638) = 634627434