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What is the Least Common Multiple of 85911 and 85931?

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 85911 and 85931 is 7382418141.

LCM(85911,85931) = 7382418141

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Least Common Multiple of 85911 and 85931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85911 and 85931, than apply into the LCM equation.

GCF(85911,85931) = 1
LCM(85911,85931) = ( 85911 × 85931) / 1
LCM(85911,85931) = 7382418141 / 1
LCM(85911,85931) = 7382418141

Least Common Multiple (LCM) of 85911 and 85931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85911 and 85931. First we will calculate the prime factors of 85911 and 85931.

Prime Factorization of 85911

Prime factors of 85911 are 3, 7, 4091. Prime factorization of 85911 in exponential form is:

85911 = 31 × 71 × 40911

Prime Factorization of 85931

Prime factors of 85931 are 85931. Prime factorization of 85931 in exponential form is:

85931 = 859311

Now multiplying the highest exponent prime factors to calculate the LCM of 85911 and 85931.

LCM(85911,85931) = 31 × 71 × 40911 × 859311
LCM(85911,85931) = 7382418141