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What is the Least Common Multiple of 39543 and 39554?

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 39543 and 39554 is 1564083822.

LCM(39543,39554) = 1564083822

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Least Common Multiple of 39543 and 39554 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39543 and 39554, than apply into the LCM equation.

GCF(39543,39554) = 1
LCM(39543,39554) = ( 39543 × 39554) / 1
LCM(39543,39554) = 1564083822 / 1
LCM(39543,39554) = 1564083822

Least Common Multiple (LCM) of 39543 and 39554 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39543 and 39554. First we will calculate the prime factors of 39543 and 39554.

Prime Factorization of 39543

Prime factors of 39543 are 3, 7, 269. Prime factorization of 39543 in exponential form is:

39543 = 31 × 72 × 2691

Prime Factorization of 39554

Prime factors of 39554 are 2, 19777. Prime factorization of 39554 in exponential form is:

39554 = 21 × 197771

Now multiplying the highest exponent prime factors to calculate the LCM of 39543 and 39554.

LCM(39543,39554) = 31 × 72 × 2691 × 21 × 197771
LCM(39543,39554) = 1564083822