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What is the Least Common Multiple of 12287 and 12292?

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 12287 and 12292 is 151031804.

LCM(12287,12292) = 151031804

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Least Common Multiple of 12287 and 12292 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12287 and 12292, than apply into the LCM equation.

GCF(12287,12292) = 1
LCM(12287,12292) = ( 12287 × 12292) / 1
LCM(12287,12292) = 151031804 / 1
LCM(12287,12292) = 151031804

Least Common Multiple (LCM) of 12287 and 12292 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12287 and 12292. First we will calculate the prime factors of 12287 and 12292.

Prime Factorization of 12287

Prime factors of 12287 are 11, 1117. Prime factorization of 12287 in exponential form is:

12287 = 111 × 11171

Prime Factorization of 12292

Prime factors of 12292 are 2, 7, 439. Prime factorization of 12292 in exponential form is:

12292 = 22 × 71 × 4391

Now multiplying the highest exponent prime factors to calculate the LCM of 12287 and 12292.

LCM(12287,12292) = 111 × 11171 × 22 × 71 × 4391
LCM(12287,12292) = 151031804