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What is the Least Common Multiple of 84057 and 84072?

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 84057 and 84072 is 2355613368.

LCM(84057,84072) = 2355613368

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Least Common Multiple of 84057 and 84072 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84057 and 84072, than apply into the LCM equation.

GCF(84057,84072) = 3
LCM(84057,84072) = ( 84057 × 84072) / 3
LCM(84057,84072) = 7066840104 / 3
LCM(84057,84072) = 2355613368

Least Common Multiple (LCM) of 84057 and 84072 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84057 and 84072. First we will calculate the prime factors of 84057 and 84072.

Prime Factorization of 84057

Prime factors of 84057 are 3, 28019. Prime factorization of 84057 in exponential form is:

84057 = 31 × 280191

Prime Factorization of 84072

Prime factors of 84072 are 2, 3, 31, 113. Prime factorization of 84072 in exponential form is:

84072 = 23 × 31 × 311 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 84057 and 84072.

LCM(84057,84072) = 31 × 280191 × 23 × 311 × 1131
LCM(84057,84072) = 2355613368