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What is the Least Common Multiple of 683 and 697?

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 683 and 697 is 476051.

LCM(683,697) = 476051

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Least Common Multiple of 683 and 697 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 683 and 697, than apply into the LCM equation.

GCF(683,697) = 1
LCM(683,697) = ( 683 × 697) / 1
LCM(683,697) = 476051 / 1
LCM(683,697) = 476051

Least Common Multiple (LCM) of 683 and 697 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 683 and 697. First we will calculate the prime factors of 683 and 697.

Prime Factorization of 683

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

683 = 6831

Prime Factorization of 697

Prime factors of 697 are 17, 41. Prime factorization of 697 in exponential form is:

697 = 171 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 683 and 697.

LCM(683,697) = 6831 × 171 × 411
LCM(683,697) = 476051