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What is the Least Common Multiple of 84081 and 84100?

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 84081 and 84100 is 7071212100.

LCM(84081,84100) = 7071212100

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Least Common Multiple of 84081 and 84100 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84081 and 84100, than apply into the LCM equation.

GCF(84081,84100) = 1
LCM(84081,84100) = ( 84081 × 84100) / 1
LCM(84081,84100) = 7071212100 / 1
LCM(84081,84100) = 7071212100

Least Common Multiple (LCM) of 84081 and 84100 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84081 and 84100. First we will calculate the prime factors of 84081 and 84100.

Prime Factorization of 84081

Prime factors of 84081 are 3, 28027. Prime factorization of 84081 in exponential form is:

84081 = 31 × 280271

Prime Factorization of 84100

Prime factors of 84100 are 2, 5, 29. Prime factorization of 84100 in exponential form is:

84100 = 22 × 52 × 292

Now multiplying the highest exponent prime factors to calculate the LCM of 84081 and 84100.

LCM(84081,84100) = 31 × 280271 × 22 × 52 × 292
LCM(84081,84100) = 7071212100