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What is the Least Common Multiple of 81274 and 81294?

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 81274 and 81294 is 3303544278.

LCM(81274,81294) = 3303544278

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Least Common Multiple of 81274 and 81294 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81274 and 81294, than apply into the LCM equation.

GCF(81274,81294) = 2
LCM(81274,81294) = ( 81274 × 81294) / 2
LCM(81274,81294) = 6607088556 / 2
LCM(81274,81294) = 3303544278

Least Common Multiple (LCM) of 81274 and 81294 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81274 and 81294. First we will calculate the prime factors of 81274 and 81294.

Prime Factorization of 81274

Prime factors of 81274 are 2, 40637. Prime factorization of 81274 in exponential form is:

81274 = 21 × 406371

Prime Factorization of 81294

Prime factors of 81294 are 2, 3, 17, 797. Prime factorization of 81294 in exponential form is:

81294 = 21 × 31 × 171 × 7971

Now multiplying the highest exponent prime factors to calculate the LCM of 81274 and 81294.

LCM(81274,81294) = 21 × 406371 × 31 × 171 × 7971
LCM(81274,81294) = 3303544278