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What is the Least Common Multiple of 84388 and 84408?

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 84388 and 84408 is 1780755576.

LCM(84388,84408) = 1780755576

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Least Common Multiple of 84388 and 84408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84388 and 84408, than apply into the LCM equation.

GCF(84388,84408) = 4
LCM(84388,84408) = ( 84388 × 84408) / 4
LCM(84388,84408) = 7123022304 / 4
LCM(84388,84408) = 1780755576

Least Common Multiple (LCM) of 84388 and 84408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84388 and 84408. First we will calculate the prime factors of 84388 and 84408.

Prime Factorization of 84388

Prime factors of 84388 are 2, 17, 73. Prime factorization of 84388 in exponential form is:

84388 = 22 × 172 × 731

Prime Factorization of 84408

Prime factors of 84408 are 2, 3, 3517. Prime factorization of 84408 in exponential form is:

84408 = 23 × 31 × 35171

Now multiplying the highest exponent prime factors to calculate the LCM of 84388 and 84408.

LCM(84388,84408) = 23 × 172 × 731 × 31 × 35171
LCM(84388,84408) = 1780755576