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What is the Least Common Multiple of 43536 and 43545?

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 43536 and 43545 is 631925040.

LCM(43536,43545) = 631925040

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Least Common Multiple of 43536 and 43545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43536 and 43545, than apply into the LCM equation.

GCF(43536,43545) = 3
LCM(43536,43545) = ( 43536 × 43545) / 3
LCM(43536,43545) = 1895775120 / 3
LCM(43536,43545) = 631925040

Least Common Multiple (LCM) of 43536 and 43545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43536 and 43545. First we will calculate the prime factors of 43536 and 43545.

Prime Factorization of 43536

Prime factors of 43536 are 2, 3, 907. Prime factorization of 43536 in exponential form is:

43536 = 24 × 31 × 9071

Prime Factorization of 43545

Prime factors of 43545 are 3, 5, 2903. Prime factorization of 43545 in exponential form is:

43545 = 31 × 51 × 29031

Now multiplying the highest exponent prime factors to calculate the LCM of 43536 and 43545.

LCM(43536,43545) = 24 × 31 × 9071 × 51 × 29031
LCM(43536,43545) = 631925040