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What is the Least Common Multiple of 66686 and 66697?

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 66686 and 66697 is 4447756142.

LCM(66686,66697) = 4447756142

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Least Common Multiple of 66686 and 66697 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66686 and 66697, than apply into the LCM equation.

GCF(66686,66697) = 1
LCM(66686,66697) = ( 66686 × 66697) / 1
LCM(66686,66697) = 4447756142 / 1
LCM(66686,66697) = 4447756142

Least Common Multiple (LCM) of 66686 and 66697 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66686 and 66697. First we will calculate the prime factors of 66686 and 66697.

Prime Factorization of 66686

Prime factors of 66686 are 2, 33343. Prime factorization of 66686 in exponential form is:

66686 = 21 × 333431

Prime Factorization of 66697

Prime factors of 66697 are 66697. Prime factorization of 66697 in exponential form is:

66697 = 666971

Now multiplying the highest exponent prime factors to calculate the LCM of 66686 and 66697.

LCM(66686,66697) = 21 × 333431 × 666971
LCM(66686,66697) = 4447756142