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What is the Least Common Multiple of 13609 and 13626?

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 13609 and 13626 is 185436234.

LCM(13609,13626) = 185436234

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Least Common Multiple of 13609 and 13626 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13609 and 13626, than apply into the LCM equation.

GCF(13609,13626) = 1
LCM(13609,13626) = ( 13609 × 13626) / 1
LCM(13609,13626) = 185436234 / 1
LCM(13609,13626) = 185436234

Least Common Multiple (LCM) of 13609 and 13626 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13609 and 13626. First we will calculate the prime factors of 13609 and 13626.

Prime Factorization of 13609

Prime factors of 13609 are 31, 439. Prime factorization of 13609 in exponential form is:

13609 = 311 × 4391

Prime Factorization of 13626

Prime factors of 13626 are 2, 3, 757. Prime factorization of 13626 in exponential form is:

13626 = 21 × 32 × 7571

Now multiplying the highest exponent prime factors to calculate the LCM of 13609 and 13626.

LCM(13609,13626) = 311 × 4391 × 21 × 32 × 7571
LCM(13609,13626) = 185436234