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What is the Least Common Multiple of 84429 and 84440?

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 84429 and 84440 is 7129184760.

LCM(84429,84440) = 7129184760

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Least Common Multiple of 84429 and 84440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84429 and 84440, than apply into the LCM equation.

GCF(84429,84440) = 1
LCM(84429,84440) = ( 84429 × 84440) / 1
LCM(84429,84440) = 7129184760 / 1
LCM(84429,84440) = 7129184760

Least Common Multiple (LCM) of 84429 and 84440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84429 and 84440. First we will calculate the prime factors of 84429 and 84440.

Prime Factorization of 84429

Prime factors of 84429 are 3, 53, 59. Prime factorization of 84429 in exponential form is:

84429 = 33 × 531 × 591

Prime Factorization of 84440

Prime factors of 84440 are 2, 5, 2111. Prime factorization of 84440 in exponential form is:

84440 = 23 × 51 × 21111

Now multiplying the highest exponent prime factors to calculate the LCM of 84429 and 84440.

LCM(84429,84440) = 33 × 531 × 591 × 23 × 51 × 21111
LCM(84429,84440) = 7129184760