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What is the Least Common Multiple of 16378 and 16385?

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 16378 and 16385 is 268353530.

LCM(16378,16385) = 268353530

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Least Common Multiple of 16378 and 16385 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16378 and 16385, than apply into the LCM equation.

GCF(16378,16385) = 1
LCM(16378,16385) = ( 16378 × 16385) / 1
LCM(16378,16385) = 268353530 / 1
LCM(16378,16385) = 268353530

Least Common Multiple (LCM) of 16378 and 16385 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16378 and 16385. First we will calculate the prime factors of 16378 and 16385.

Prime Factorization of 16378

Prime factors of 16378 are 2, 19, 431. Prime factorization of 16378 in exponential form is:

16378 = 21 × 191 × 4311

Prime Factorization of 16385

Prime factors of 16385 are 5, 29, 113. Prime factorization of 16385 in exponential form is:

16385 = 51 × 291 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 16378 and 16385.

LCM(16378,16385) = 21 × 191 × 4311 × 51 × 291 × 1131
LCM(16378,16385) = 268353530