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What is the Least Common Multiple of 81255 and 81268?

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 81255 and 81268 is 6603431340.

LCM(81255,81268) = 6603431340

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Least Common Multiple of 81255 and 81268 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81255 and 81268, than apply into the LCM equation.

GCF(81255,81268) = 1
LCM(81255,81268) = ( 81255 × 81268) / 1
LCM(81255,81268) = 6603431340 / 1
LCM(81255,81268) = 6603431340

Least Common Multiple (LCM) of 81255 and 81268 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81255 and 81268. First we will calculate the prime factors of 81255 and 81268.

Prime Factorization of 81255

Prime factors of 81255 are 3, 5, 5417. Prime factorization of 81255 in exponential form is:

81255 = 31 × 51 × 54171

Prime Factorization of 81268

Prime factors of 81268 are 2, 11, 1847. Prime factorization of 81268 in exponential form is:

81268 = 22 × 111 × 18471

Now multiplying the highest exponent prime factors to calculate the LCM of 81255 and 81268.

LCM(81255,81268) = 31 × 51 × 54171 × 22 × 111 × 18471
LCM(81255,81268) = 6603431340