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What is the Least Common Multiple of 11678 and 11685?

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 11678 and 11685 is 136457430.

LCM(11678,11685) = 136457430

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Least Common Multiple of 11678 and 11685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11678 and 11685, than apply into the LCM equation.

GCF(11678,11685) = 1
LCM(11678,11685) = ( 11678 × 11685) / 1
LCM(11678,11685) = 136457430 / 1
LCM(11678,11685) = 136457430

Least Common Multiple (LCM) of 11678 and 11685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11678 and 11685. First we will calculate the prime factors of 11678 and 11685.

Prime Factorization of 11678

Prime factors of 11678 are 2, 5839. Prime factorization of 11678 in exponential form is:

11678 = 21 × 58391

Prime Factorization of 11685

Prime factors of 11685 are 3, 5, 19, 41. Prime factorization of 11685 in exponential form is:

11685 = 31 × 51 × 191 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 11678 and 11685.

LCM(11678,11685) = 21 × 58391 × 31 × 51 × 191 × 411
LCM(11678,11685) = 136457430