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What is the Least Common Multiple of 85721 and 85734?

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 85721 and 85734 is 7349204214.

LCM(85721,85734) = 7349204214

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Least Common Multiple of 85721 and 85734 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85721 and 85734, than apply into the LCM equation.

GCF(85721,85734) = 1
LCM(85721,85734) = ( 85721 × 85734) / 1
LCM(85721,85734) = 7349204214 / 1
LCM(85721,85734) = 7349204214

Least Common Multiple (LCM) of 85721 and 85734 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85721 and 85734. First we will calculate the prime factors of 85721 and 85734.

Prime Factorization of 85721

Prime factors of 85721 are 23, 3727. Prime factorization of 85721 in exponential form is:

85721 = 231 × 37271

Prime Factorization of 85734

Prime factors of 85734 are 2, 3, 11, 433. Prime factorization of 85734 in exponential form is:

85734 = 21 × 32 × 111 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 85721 and 85734.

LCM(85721,85734) = 231 × 37271 × 21 × 32 × 111 × 4331
LCM(85721,85734) = 7349204214