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What is the Least Common Multiple of 200 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 200 and 206 is 20600.

LCM(200,206) = 20600

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Least Common Multiple of 200 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 200 and 206, than apply into the LCM equation.

GCF(200,206) = 2
LCM(200,206) = ( 200 × 206) / 2
LCM(200,206) = 41200 / 2
LCM(200,206) = 20600

Least Common Multiple (LCM) of 200 and 206 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 200 and 206. First we will calculate the prime factors of 200 and 206.

Prime Factorization of 200

Prime factors of 200 are 2, 5. Prime factorization of 200 in exponential form is:

200 = 23 × 52

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 200 and 206.

LCM(200,206) = 23 × 52 × 1031
LCM(200,206) = 20600