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What is the Least Common Multiple of 85723 and 85742?

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 85723 and 85742 is 7350061466.

LCM(85723,85742) = 7350061466

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Least Common Multiple of 85723 and 85742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85723 and 85742, than apply into the LCM equation.

GCF(85723,85742) = 1
LCM(85723,85742) = ( 85723 × 85742) / 1
LCM(85723,85742) = 7350061466 / 1
LCM(85723,85742) = 7350061466

Least Common Multiple (LCM) of 85723 and 85742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85723 and 85742. First we will calculate the prime factors of 85723 and 85742.

Prime Factorization of 85723

Prime factors of 85723 are 11, 7793. Prime factorization of 85723 in exponential form is:

85723 = 111 × 77931

Prime Factorization of 85742

Prime factors of 85742 are 2, 43, 997. Prime factorization of 85742 in exponential form is:

85742 = 21 × 431 × 9971

Now multiplying the highest exponent prime factors to calculate the LCM of 85723 and 85742.

LCM(85723,85742) = 111 × 77931 × 21 × 431 × 9971
LCM(85723,85742) = 7350061466