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What is the Least Common Multiple of 669 and 683?

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 669 and 683 is 456927.

LCM(669,683) = 456927

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Least Common Multiple of 669 and 683 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 669 and 683, than apply into the LCM equation.

GCF(669,683) = 1
LCM(669,683) = ( 669 × 683) / 1
LCM(669,683) = 456927 / 1
LCM(669,683) = 456927

Least Common Multiple (LCM) of 669 and 683 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 669 and 683. First we will calculate the prime factors of 669 and 683.

Prime Factorization of 669

Prime factors of 669 are 3, 223. Prime factorization of 669 in exponential form is:

669 = 31 × 2231

Prime Factorization of 683

Prime factors of 683 are 683. Prime factorization of 683 in exponential form is:

683 = 6831

Now multiplying the highest exponent prime factors to calculate the LCM of 669 and 683.

LCM(669,683) = 31 × 2231 × 6831
LCM(669,683) = 456927