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What is the Least Common Multiple of 169 and 187?

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 169 and 187 is 31603.

LCM(169,187) = 31603

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Least Common Multiple of 169 and 187 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 169 and 187, than apply into the LCM equation.

GCF(169,187) = 1
LCM(169,187) = ( 169 × 187) / 1
LCM(169,187) = 31603 / 1
LCM(169,187) = 31603

Least Common Multiple (LCM) of 169 and 187 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 169 and 187. First we will calculate the prime factors of 169 and 187.

Prime Factorization of 169

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

169 = 132

Prime Factorization of 187

Prime factors of 187 are 11, 17. Prime factorization of 187 in exponential form is:

187 = 111 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 169 and 187.

LCM(169,187) = 132 × 111 × 171
LCM(169,187) = 31603

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