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What is the Least Common Multiple of 13634 and 13649?

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 13634 and 13649 is 186090466.

LCM(13634,13649) = 186090466

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Least Common Multiple of 13634 and 13649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13634 and 13649, than apply into the LCM equation.

GCF(13634,13649) = 1
LCM(13634,13649) = ( 13634 × 13649) / 1
LCM(13634,13649) = 186090466 / 1
LCM(13634,13649) = 186090466

Least Common Multiple (LCM) of 13634 and 13649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13634 and 13649. First we will calculate the prime factors of 13634 and 13649.

Prime Factorization of 13634

Prime factors of 13634 are 2, 17, 401. Prime factorization of 13634 in exponential form is:

13634 = 21 × 171 × 4011

Prime Factorization of 13649

Prime factors of 13649 are 13649. Prime factorization of 13649 in exponential form is:

13649 = 136491

Now multiplying the highest exponent prime factors to calculate the LCM of 13634 and 13649.

LCM(13634,13649) = 21 × 171 × 4011 × 136491
LCM(13634,13649) = 186090466