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What is the Least Common Multiple of 75645 and 75664?

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 75645 and 75664 is 5723603280.

LCM(75645,75664) = 5723603280

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Least Common Multiple of 75645 and 75664 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75645 and 75664, than apply into the LCM equation.

GCF(75645,75664) = 1
LCM(75645,75664) = ( 75645 × 75664) / 1
LCM(75645,75664) = 5723603280 / 1
LCM(75645,75664) = 5723603280

Least Common Multiple (LCM) of 75645 and 75664 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75645 and 75664. First we will calculate the prime factors of 75645 and 75664.

Prime Factorization of 75645

Prime factors of 75645 are 3, 5, 41. Prime factorization of 75645 in exponential form is:

75645 = 32 × 51 × 412

Prime Factorization of 75664

Prime factors of 75664 are 2, 4729. Prime factorization of 75664 in exponential form is:

75664 = 24 × 47291

Now multiplying the highest exponent prime factors to calculate the LCM of 75645 and 75664.

LCM(75645,75664) = 32 × 51 × 412 × 24 × 47291
LCM(75645,75664) = 5723603280