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What is the Least Common Multiple of 16378 and 16393?

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 16393 is 268484554.

LCM(16378,16393) = 268484554

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Least Common Multiple of 16378 and 16393 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 16393, than apply into the LCM equation.

GCF(16378,16393) = 1
LCM(16378,16393) = ( 16378 × 16393) / 1
LCM(16378,16393) = 268484554 / 1
LCM(16378,16393) = 268484554

Least Common Multiple (LCM) of 16378 and 16393 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16378 and 16393. First we will calculate the prime factors of 16378 and 16393.

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 16393

Prime factors of 16393 are 13, 97. Prime factorization of 16393 in exponential form is:

16393 = 132 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 16378 and 16393.

LCM(16378,16393) = 21 × 191 × 4311 × 132 × 971
LCM(16378,16393) = 268484554