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Least Common Multiple of 189 and 201

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 189 and 201 is 12663.

LCM(189,201) = 12663

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Least Common Multiple of 189 and 201 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 189 and 201, than apply into the LCM equation.

GCF(189,201) = 3
LCM(189,201) = ( 189 × 201) / 3
LCM(189,201) = 37989 / 3
LCM(189,201) = 12663

Least Common Multiple (LCM) of 189 and 201 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 189 and 201. First we will calculate the prime factors of 189 and 201.

Prime Factorization of 189

Prime factors of 189 are 3, 7. Prime factorization of 189 in exponential form is:

189 = 33 × 71

Prime Factorization of 201

Prime factors of 201 are 3, 67. Prime factorization of 201 in exponential form is:

201 = 31 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 189 and 201.

LCM(189,201) = 33 × 71 × 671
LCM(189,201) = 12663

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