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What is the Least Common Multiple of 84243 and 84261?

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 84243 and 84261 is 2366133141.

LCM(84243,84261) = 2366133141

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Least Common Multiple of 84243 and 84261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84243 and 84261, than apply into the LCM equation.

GCF(84243,84261) = 3
LCM(84243,84261) = ( 84243 × 84261) / 3
LCM(84243,84261) = 7098399423 / 3
LCM(84243,84261) = 2366133141

Least Common Multiple (LCM) of 84243 and 84261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84243 and 84261. First we will calculate the prime factors of 84243 and 84261.

Prime Factorization of 84243

Prime factors of 84243 are 3, 28081. Prime factorization of 84243 in exponential form is:

84243 = 31 × 280811

Prime Factorization of 84261

Prime factors of 84261 are 3, 28087. Prime factorization of 84261 in exponential form is:

84261 = 31 × 280871

Now multiplying the highest exponent prime factors to calculate the LCM of 84243 and 84261.

LCM(84243,84261) = 31 × 280811 × 280871
LCM(84243,84261) = 2366133141