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What is the Least Common Multiple of 81263 and 81274?

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 81263 and 81274 is 6604569062.

LCM(81263,81274) = 6604569062

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Least Common Multiple of 81263 and 81274 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81263 and 81274, than apply into the LCM equation.

GCF(81263,81274) = 1
LCM(81263,81274) = ( 81263 × 81274) / 1
LCM(81263,81274) = 6604569062 / 1
LCM(81263,81274) = 6604569062

Least Common Multiple (LCM) of 81263 and 81274 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81263 and 81274. First we will calculate the prime factors of 81263 and 81274.

Prime Factorization of 81263

Prime factors of 81263 are 7, 13, 19, 47. Prime factorization of 81263 in exponential form is:

81263 = 71 × 131 × 191 × 471

Prime Factorization of 81274

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

81274 = 21 × 406371

Now multiplying the highest exponent prime factors to calculate the LCM of 81263 and 81274.

LCM(81263,81274) = 71 × 131 × 191 × 471 × 21 × 406371
LCM(81263,81274) = 6604569062