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What is the Least Common Multiple of 12191 and 12195?

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 12191 and 12195 is 148669245.

LCM(12191,12195) = 148669245

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Least Common Multiple of 12191 and 12195 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12191 and 12195, than apply into the LCM equation.

GCF(12191,12195) = 1
LCM(12191,12195) = ( 12191 × 12195) / 1
LCM(12191,12195) = 148669245 / 1
LCM(12191,12195) = 148669245

Least Common Multiple (LCM) of 12191 and 12195 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12191 and 12195. First we will calculate the prime factors of 12191 and 12195.

Prime Factorization of 12191

Prime factors of 12191 are 73, 167. Prime factorization of 12191 in exponential form is:

12191 = 731 × 1671

Prime Factorization of 12195

Prime factors of 12195 are 3, 5, 271. Prime factorization of 12195 in exponential form is:

12195 = 32 × 51 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 12191 and 12195.

LCM(12191,12195) = 731 × 1671 × 32 × 51 × 2711
LCM(12191,12195) = 148669245