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What is the Least Common Multiple of 13664 and 13683?

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 13664 and 13683 is 186964512.

LCM(13664,13683) = 186964512

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Least Common Multiple of 13664 and 13683 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13664 and 13683, than apply into the LCM equation.

GCF(13664,13683) = 1
LCM(13664,13683) = ( 13664 × 13683) / 1
LCM(13664,13683) = 186964512 / 1
LCM(13664,13683) = 186964512

Least Common Multiple (LCM) of 13664 and 13683 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13664 and 13683. First we will calculate the prime factors of 13664 and 13683.

Prime Factorization of 13664

Prime factors of 13664 are 2, 7, 61. Prime factorization of 13664 in exponential form is:

13664 = 25 × 71 × 611

Prime Factorization of 13683

Prime factors of 13683 are 3, 4561. Prime factorization of 13683 in exponential form is:

13683 = 31 × 45611

Now multiplying the highest exponent prime factors to calculate the LCM of 13664 and 13683.

LCM(13664,13683) = 25 × 71 × 611 × 31 × 45611
LCM(13664,13683) = 186964512