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What is the Least Common Multiple of 81815 and 81834?

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 81815 and 81834 is 6695248710.

LCM(81815,81834) = 6695248710

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Least Common Multiple of 81815 and 81834 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81815 and 81834, than apply into the LCM equation.

GCF(81815,81834) = 1
LCM(81815,81834) = ( 81815 × 81834) / 1
LCM(81815,81834) = 6695248710 / 1
LCM(81815,81834) = 6695248710

Least Common Multiple (LCM) of 81815 and 81834 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81815 and 81834. First we will calculate the prime factors of 81815 and 81834.

Prime Factorization of 81815

Prime factors of 81815 are 5, 16363. Prime factorization of 81815 in exponential form is:

81815 = 51 × 163631

Prime Factorization of 81834

Prime factors of 81834 are 2, 3, 23, 593. Prime factorization of 81834 in exponential form is:

81834 = 21 × 31 × 231 × 5931

Now multiplying the highest exponent prime factors to calculate the LCM of 81815 and 81834.

LCM(81815,81834) = 51 × 163631 × 21 × 31 × 231 × 5931
LCM(81815,81834) = 6695248710