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What is the Least Common Multiple of 81719 and 81733?

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 81719 and 81733 is 6679139027.

LCM(81719,81733) = 6679139027

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Least Common Multiple of 81719 and 81733 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81719 and 81733, than apply into the LCM equation.

GCF(81719,81733) = 1
LCM(81719,81733) = ( 81719 × 81733) / 1
LCM(81719,81733) = 6679139027 / 1
LCM(81719,81733) = 6679139027

Least Common Multiple (LCM) of 81719 and 81733 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81719 and 81733. First we will calculate the prime factors of 81719 and 81733.

Prime Factorization of 81719

Prime factors of 81719 are 11, 17, 19, 23. Prime factorization of 81719 in exponential form is:

81719 = 111 × 171 × 191 × 231

Prime Factorization of 81733

Prime factors of 81733 are 37, 47. Prime factorization of 81733 in exponential form is:

81733 = 371 × 472

Now multiplying the highest exponent prime factors to calculate the LCM of 81719 and 81733.

LCM(81719,81733) = 111 × 171 × 191 × 231 × 371 × 472
LCM(81719,81733) = 6679139027