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Least Common Multiple of 13 and 169

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 13 and 169 is 169.

LCM(13,169) = 169

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Least Common Multiple of 13 and 169 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13 and 169, than apply into the LCM equation.

GCF(13,169) = 13
LCM(13,169) = ( 13 × 169) / 13
LCM(13,169) = 2197 / 13
LCM(13,169) = 169

Least Common Multiple (LCM) of 13 and 169 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13 and 169. First we will calculate the prime factors of 13 and 169.

Prime Factorization of 13

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

13 = 131

Prime Factorization of 169

Prime factors of 169 are 13. Prime factorization of 169 in exponential form is:

169 = 132

Now multiplying the highest exponent prime factors to calculate the LCM of 13 and 169.

LCM(13,169) = 132
LCM(13,169) = 169

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aidan 2020-06-08 00:52:33

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