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What is the Least Common Multiple of 85731 and 85747?

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 85731 and 85747 is 7351176057.

LCM(85731,85747) = 7351176057

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Least Common Multiple of 85731 and 85747 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85731 and 85747, than apply into the LCM equation.

GCF(85731,85747) = 1
LCM(85731,85747) = ( 85731 × 85747) / 1
LCM(85731,85747) = 7351176057 / 1
LCM(85731,85747) = 7351176057

Least Common Multiple (LCM) of 85731 and 85747 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85731 and 85747. First we will calculate the prime factors of 85731 and 85747.

Prime Factorization of 85731

Prime factors of 85731 are 3, 17, 41. Prime factorization of 85731 in exponential form is:

85731 = 31 × 171 × 412

Prime Factorization of 85747

Prime factors of 85747 are 19, 4513. Prime factorization of 85747 in exponential form is:

85747 = 191 × 45131

Now multiplying the highest exponent prime factors to calculate the LCM of 85731 and 85747.

LCM(85731,85747) = 31 × 171 × 412 × 191 × 45131
LCM(85731,85747) = 7351176057