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What is the Least Common Multiple of 12445 and 12461?

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 12445 and 12461 is 155077145.

LCM(12445,12461) = 155077145

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Least Common Multiple of 12445 and 12461 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12445 and 12461, than apply into the LCM equation.

GCF(12445,12461) = 1
LCM(12445,12461) = ( 12445 × 12461) / 1
LCM(12445,12461) = 155077145 / 1
LCM(12445,12461) = 155077145

Least Common Multiple (LCM) of 12445 and 12461 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12445 and 12461. First we will calculate the prime factors of 12445 and 12461.

Prime Factorization of 12445

Prime factors of 12445 are 5, 19, 131. Prime factorization of 12445 in exponential form is:

12445 = 51 × 191 × 1311

Prime Factorization of 12461

Prime factors of 12461 are 17, 733. Prime factorization of 12461 in exponential form is:

12461 = 171 × 7331

Now multiplying the highest exponent prime factors to calculate the LCM of 12445 and 12461.

LCM(12445,12461) = 51 × 191 × 1311 × 171 × 7331
LCM(12445,12461) = 155077145