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What is the Least Common Multiple of 84399 and 84409?

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 84399 and 84409 is 7124035191.

LCM(84399,84409) = 7124035191

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Least Common Multiple of 84399 and 84409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84399 and 84409, than apply into the LCM equation.

GCF(84399,84409) = 1
LCM(84399,84409) = ( 84399 × 84409) / 1
LCM(84399,84409) = 7124035191 / 1
LCM(84399,84409) = 7124035191

Least Common Multiple (LCM) of 84399 and 84409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84399 and 84409. First we will calculate the prime factors of 84399 and 84409.

Prime Factorization of 84399

Prime factors of 84399 are 3, 7, 4019. Prime factorization of 84399 in exponential form is:

84399 = 31 × 71 × 40191

Prime Factorization of 84409

Prime factors of 84409 are 13, 43, 151. Prime factorization of 84409 in exponential form is:

84409 = 131 × 431 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 84399 and 84409.

LCM(84399,84409) = 31 × 71 × 40191 × 131 × 431 × 1511
LCM(84399,84409) = 7124035191