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What is the Least Common Multiple of 11391 and 11406?

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 11391 and 11406 is 43308582.

LCM(11391,11406) = 43308582

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Least Common Multiple of 11391 and 11406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11391 and 11406, than apply into the LCM equation.

GCF(11391,11406) = 3
LCM(11391,11406) = ( 11391 × 11406) / 3
LCM(11391,11406) = 129925746 / 3
LCM(11391,11406) = 43308582

Least Common Multiple (LCM) of 11391 and 11406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11391 and 11406. First we will calculate the prime factors of 11391 and 11406.

Prime Factorization of 11391

Prime factors of 11391 are 3, 3797. Prime factorization of 11391 in exponential form is:

11391 = 31 × 37971

Prime Factorization of 11406

Prime factors of 11406 are 2, 3, 1901. Prime factorization of 11406 in exponential form is:

11406 = 21 × 31 × 19011

Now multiplying the highest exponent prime factors to calculate the LCM of 11391 and 11406.

LCM(11391,11406) = 31 × 37971 × 21 × 19011
LCM(11391,11406) = 43308582