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What is the Least Common Multiple of 66728 and 66734?

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 66728 and 66734 is 2226513176.

LCM(66728,66734) = 2226513176

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Least Common Multiple of 66728 and 66734 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66728 and 66734, than apply into the LCM equation.

GCF(66728,66734) = 2
LCM(66728,66734) = ( 66728 × 66734) / 2
LCM(66728,66734) = 4453026352 / 2
LCM(66728,66734) = 2226513176

Least Common Multiple (LCM) of 66728 and 66734 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66728 and 66734. First we will calculate the prime factors of 66728 and 66734.

Prime Factorization of 66728

Prime factors of 66728 are 2, 19, 439. Prime factorization of 66728 in exponential form is:

66728 = 23 × 191 × 4391

Prime Factorization of 66734

Prime factors of 66734 are 2, 61, 547. Prime factorization of 66734 in exponential form is:

66734 = 21 × 611 × 5471

Now multiplying the highest exponent prime factors to calculate the LCM of 66728 and 66734.

LCM(66728,66734) = 23 × 191 × 4391 × 611 × 5471
LCM(66728,66734) = 2226513176