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What is the Least Common Multiple of 13161 and 13169?

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 13161 and 13169 is 173317209.

LCM(13161,13169) = 173317209

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Least Common Multiple of 13161 and 13169 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13161 and 13169, than apply into the LCM equation.

GCF(13161,13169) = 1
LCM(13161,13169) = ( 13161 × 13169) / 1
LCM(13161,13169) = 173317209 / 1
LCM(13161,13169) = 173317209

Least Common Multiple (LCM) of 13161 and 13169 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13161 and 13169. First we will calculate the prime factors of 13161 and 13169.

Prime Factorization of 13161

Prime factors of 13161 are 3, 41, 107. Prime factorization of 13161 in exponential form is:

13161 = 31 × 411 × 1071

Prime Factorization of 13169

Prime factors of 13169 are 13, 1013. Prime factorization of 13169 in exponential form is:

13169 = 131 × 10131

Now multiplying the highest exponent prime factors to calculate the LCM of 13161 and 13169.

LCM(13161,13169) = 31 × 411 × 1071 × 131 × 10131
LCM(13161,13169) = 173317209