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What is the Least Common Multiple of 11603 and 11609?

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 11603 and 11609 is 134699227.

LCM(11603,11609) = 134699227

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Least Common Multiple of 11603 and 11609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11603 and 11609, than apply into the LCM equation.

GCF(11603,11609) = 1
LCM(11603,11609) = ( 11603 × 11609) / 1
LCM(11603,11609) = 134699227 / 1
LCM(11603,11609) = 134699227

Least Common Multiple (LCM) of 11603 and 11609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11603 and 11609. First we will calculate the prime factors of 11603 and 11609.

Prime Factorization of 11603

Prime factors of 11603 are 41, 283. Prime factorization of 11603 in exponential form is:

11603 = 411 × 2831

Prime Factorization of 11609

Prime factors of 11609 are 13, 19, 47. Prime factorization of 11609 in exponential form is:

11609 = 131 × 191 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 11603 and 11609.

LCM(11603,11609) = 411 × 2831 × 131 × 191 × 471
LCM(11603,11609) = 134699227