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What is the Least Common Multiple of 9591 and 9609?

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 9591 and 9609 is 30719973.

LCM(9591,9609) = 30719973

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Least Common Multiple of 9591 and 9609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9591 and 9609, than apply into the LCM equation.

GCF(9591,9609) = 3
LCM(9591,9609) = ( 9591 × 9609) / 3
LCM(9591,9609) = 92159919 / 3
LCM(9591,9609) = 30719973

Least Common Multiple (LCM) of 9591 and 9609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9591 and 9609. First we will calculate the prime factors of 9591 and 9609.

Prime Factorization of 9591

Prime factors of 9591 are 3, 23, 139. Prime factorization of 9591 in exponential form is:

9591 = 31 × 231 × 1391

Prime Factorization of 9609

Prime factors of 9609 are 3, 3203. Prime factorization of 9609 in exponential form is:

9609 = 31 × 32031

Now multiplying the highest exponent prime factors to calculate the LCM of 9591 and 9609.

LCM(9591,9609) = 31 × 231 × 1391 × 32031
LCM(9591,9609) = 30719973