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What is the Least Common Multiple of 16391 and 16407?

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 16391 and 16407 is 268927137.

LCM(16391,16407) = 268927137

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Least Common Multiple of 16391 and 16407 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16391 and 16407, than apply into the LCM equation.

GCF(16391,16407) = 1
LCM(16391,16407) = ( 16391 × 16407) / 1
LCM(16391,16407) = 268927137 / 1
LCM(16391,16407) = 268927137

Least Common Multiple (LCM) of 16391 and 16407 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16391 and 16407. First we will calculate the prime factors of 16391 and 16407.

Prime Factorization of 16391

Prime factors of 16391 are 37, 443. Prime factorization of 16391 in exponential form is:

16391 = 371 × 4431

Prime Factorization of 16407

Prime factors of 16407 are 3, 1823. Prime factorization of 16407 in exponential form is:

16407 = 32 × 18231

Now multiplying the highest exponent prime factors to calculate the LCM of 16391 and 16407.

LCM(16391,16407) = 371 × 4431 × 32 × 18231
LCM(16391,16407) = 268927137