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What is the Least Common Multiple of 38429 and 38440?

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 38429 and 38440 is 1477210760.

LCM(38429,38440) = 1477210760

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Least Common Multiple of 38429 and 38440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38429 and 38440, than apply into the LCM equation.

GCF(38429,38440) = 1
LCM(38429,38440) = ( 38429 × 38440) / 1
LCM(38429,38440) = 1477210760 / 1
LCM(38429,38440) = 1477210760

Least Common Multiple (LCM) of 38429 and 38440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38429 and 38440. First we will calculate the prime factors of 38429 and 38440.

Prime Factorization of 38429

Prime factors of 38429 are 83, 463. Prime factorization of 38429 in exponential form is:

38429 = 831 × 4631

Prime Factorization of 38440

Prime factors of 38440 are 2, 5, 31. Prime factorization of 38440 in exponential form is:

38440 = 23 × 51 × 312

Now multiplying the highest exponent prime factors to calculate the LCM of 38429 and 38440.

LCM(38429,38440) = 831 × 4631 × 23 × 51 × 312
LCM(38429,38440) = 1477210760