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What is the Least Common Multiple of 84538 and 84545?

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 84538 and 84545 is 7147265210.

LCM(84538,84545) = 7147265210

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Least Common Multiple of 84538 and 84545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84538 and 84545, than apply into the LCM equation.

GCF(84538,84545) = 1
LCM(84538,84545) = ( 84538 × 84545) / 1
LCM(84538,84545) = 7147265210 / 1
LCM(84538,84545) = 7147265210

Least Common Multiple (LCM) of 84538 and 84545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84538 and 84545. First we will calculate the prime factors of 84538 and 84545.

Prime Factorization of 84538

Prime factors of 84538 are 2, 43, 983. Prime factorization of 84538 in exponential form is:

84538 = 21 × 431 × 9831

Prime Factorization of 84545

Prime factors of 84545 are 5, 37, 457. Prime factorization of 84545 in exponential form is:

84545 = 51 × 371 × 4571

Now multiplying the highest exponent prime factors to calculate the LCM of 84538 and 84545.

LCM(84538,84545) = 21 × 431 × 9831 × 51 × 371 × 4571
LCM(84538,84545) = 7147265210