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What is the Least Common Multiple of 43538 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 43538 and 43545 is 1895862210.

LCM(43538,43545) = 1895862210

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Least Common Multiple of 43538 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 43538 and 43545, than apply into the LCM equation.

GCF(43538,43545) = 1
LCM(43538,43545) = ( 43538 × 43545) / 1
LCM(43538,43545) = 1895862210 / 1
LCM(43538,43545) = 1895862210

Least Common Multiple (LCM) of 43538 and 43545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43538 and 43545. First we will calculate the prime factors of 43538 and 43545.

Prime Factorization of 43538

Prime factors of 43538 are 2, 11, 1979. Prime factorization of 43538 in exponential form is:

43538 = 21 × 111 × 19791

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 43538 and 43545.

LCM(43538,43545) = 21 × 111 × 19791 × 31 × 51 × 29031
LCM(43538,43545) = 1895862210