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What is the Least Common Multiple of 81694 and 81708?

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 81694 and 81708 is 3337526676.

LCM(81694,81708) = 3337526676

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Least Common Multiple of 81694 and 81708 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81694 and 81708, than apply into the LCM equation.

GCF(81694,81708) = 2
LCM(81694,81708) = ( 81694 × 81708) / 2
LCM(81694,81708) = 6675053352 / 2
LCM(81694,81708) = 3337526676

Least Common Multiple (LCM) of 81694 and 81708 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81694 and 81708. First we will calculate the prime factors of 81694 and 81708.

Prime Factorization of 81694

Prime factors of 81694 are 2, 40847. Prime factorization of 81694 in exponential form is:

81694 = 21 × 408471

Prime Factorization of 81708

Prime factors of 81708 are 2, 3, 11, 619. Prime factorization of 81708 in exponential form is:

81708 = 22 × 31 × 111 × 6191

Now multiplying the highest exponent prime factors to calculate the LCM of 81694 and 81708.

LCM(81694,81708) = 22 × 408471 × 31 × 111 × 6191
LCM(81694,81708) = 3337526676