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What is the Least Common Multiple of 12218 and 12231?

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 12218 and 12231 is 149438358.

LCM(12218,12231) = 149438358

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Least Common Multiple of 12218 and 12231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12218 and 12231, than apply into the LCM equation.

GCF(12218,12231) = 1
LCM(12218,12231) = ( 12218 × 12231) / 1
LCM(12218,12231) = 149438358 / 1
LCM(12218,12231) = 149438358

Least Common Multiple (LCM) of 12218 and 12231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12218 and 12231. First we will calculate the prime factors of 12218 and 12231.

Prime Factorization of 12218

Prime factors of 12218 are 2, 41, 149. Prime factorization of 12218 in exponential form is:

12218 = 21 × 411 × 1491

Prime Factorization of 12231

Prime factors of 12231 are 3, 151. Prime factorization of 12231 in exponential form is:

12231 = 34 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 12218 and 12231.

LCM(12218,12231) = 21 × 411 × 1491 × 34 × 1511
LCM(12218,12231) = 149438358