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What is the Least Common Multiple of 12215 and 12227?

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 12215 and 12227 is 149352805.

LCM(12215,12227) = 149352805

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Least Common Multiple of 12215 and 12227 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12215 and 12227, than apply into the LCM equation.

GCF(12215,12227) = 1
LCM(12215,12227) = ( 12215 × 12227) / 1
LCM(12215,12227) = 149352805 / 1
LCM(12215,12227) = 149352805

Least Common Multiple (LCM) of 12215 and 12227 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12215 and 12227. First we will calculate the prime factors of 12215 and 12227.

Prime Factorization of 12215

Prime factors of 12215 are 5, 7, 349. Prime factorization of 12215 in exponential form is:

12215 = 51 × 71 × 3491

Prime Factorization of 12227

Prime factors of 12227 are 12227. Prime factorization of 12227 in exponential form is:

12227 = 122271

Now multiplying the highest exponent prime factors to calculate the LCM of 12215 and 12227.

LCM(12215,12227) = 51 × 71 × 3491 × 122271
LCM(12215,12227) = 149352805