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What is the Least Common Multiple of 84627 and 84640?

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 84627 and 84640 is 7162829280.

LCM(84627,84640) = 7162829280

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Least Common Multiple of 84627 and 84640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84627 and 84640, than apply into the LCM equation.

GCF(84627,84640) = 1
LCM(84627,84640) = ( 84627 × 84640) / 1
LCM(84627,84640) = 7162829280 / 1
LCM(84627,84640) = 7162829280

Least Common Multiple (LCM) of 84627 and 84640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84627 and 84640. First we will calculate the prime factors of 84627 and 84640.

Prime Factorization of 84627

Prime factors of 84627 are 3, 9403. Prime factorization of 84627 in exponential form is:

84627 = 32 × 94031

Prime Factorization of 84640

Prime factors of 84640 are 2, 5, 23. Prime factorization of 84640 in exponential form is:

84640 = 25 × 51 × 232

Now multiplying the highest exponent prime factors to calculate the LCM of 84627 and 84640.

LCM(84627,84640) = 32 × 94031 × 25 × 51 × 232
LCM(84627,84640) = 7162829280