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What is the Least Common Multiple of 12345 and 12352?

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 12345 and 12352 is 152485440.

LCM(12345,12352) = 152485440

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Least Common Multiple of 12345 and 12352 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12345 and 12352, than apply into the LCM equation.

GCF(12345,12352) = 1
LCM(12345,12352) = ( 12345 × 12352) / 1
LCM(12345,12352) = 152485440 / 1
LCM(12345,12352) = 152485440

Least Common Multiple (LCM) of 12345 and 12352 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12345 and 12352. First we will calculate the prime factors of 12345 and 12352.

Prime Factorization of 12345

Prime factors of 12345 are 3, 5, 823. Prime factorization of 12345 in exponential form is:

12345 = 31 × 51 × 8231

Prime Factorization of 12352

Prime factors of 12352 are 2, 193. Prime factorization of 12352 in exponential form is:

12352 = 26 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 12345 and 12352.

LCM(12345,12352) = 31 × 51 × 8231 × 26 × 1931
LCM(12345,12352) = 152485440