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What is the Least Common Multiple of 85681 and 85696?

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 85681 and 85696 is 7342518976.

LCM(85681,85696) = 7342518976

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Least Common Multiple of 85681 and 85696 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85681 and 85696, than apply into the LCM equation.

GCF(85681,85696) = 1
LCM(85681,85696) = ( 85681 × 85696) / 1
LCM(85681,85696) = 7342518976 / 1
LCM(85681,85696) = 7342518976

Least Common Multiple (LCM) of 85681 and 85696 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85681 and 85696. First we will calculate the prime factors of 85681 and 85696.

Prime Factorization of 85681

Prime factors of 85681 are 47, 1823. Prime factorization of 85681 in exponential form is:

85681 = 471 × 18231

Prime Factorization of 85696

Prime factors of 85696 are 2, 13, 103. Prime factorization of 85696 in exponential form is:

85696 = 26 × 131 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 85681 and 85696.

LCM(85681,85696) = 471 × 18231 × 26 × 131 × 1031
LCM(85681,85696) = 7342518976