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What is the Least Common Multiple of 191 and 206?

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 191 and 206 is 39346.

LCM(191,206) = 39346

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Least Common Multiple of 191 and 206 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 191 and 206, than apply into the LCM equation.

GCF(191,206) = 1
LCM(191,206) = ( 191 × 206) / 1
LCM(191,206) = 39346 / 1
LCM(191,206) = 39346

Least Common Multiple (LCM) of 191 and 206 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 191 and 206. First we will calculate the prime factors of 191 and 206.

Prime Factorization of 191

Prime factors of 191 are 191. Prime factorization of 191 in exponential form is:

191 = 1911

Prime Factorization of 206

Prime factors of 206 are 2, 103. Prime factorization of 206 in exponential form is:

206 = 21 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 191 and 206.

LCM(191,206) = 1911 × 21 × 1031
LCM(191,206) = 39346

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