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What is the Least Common Multiple of 13615 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 13615 and 13626 is 185517990.

LCM(13615,13626) = 185517990

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Least Common Multiple of 13615 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 13615 and 13626, than apply into the LCM equation.

GCF(13615,13626) = 1
LCM(13615,13626) = ( 13615 × 13626) / 1
LCM(13615,13626) = 185517990 / 1
LCM(13615,13626) = 185517990

Least Common Multiple (LCM) of 13615 and 13626 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13615 and 13626. First we will calculate the prime factors of 13615 and 13626.

Prime Factorization of 13615

Prime factors of 13615 are 5, 7, 389. Prime factorization of 13615 in exponential form is:

13615 = 51 × 71 × 3891

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 13615 and 13626.

LCM(13615,13626) = 51 × 71 × 3891 × 21 × 32 × 7571
LCM(13615,13626) = 185517990