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What is the Least Common Multiple of 71691 and 71710?

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 71691 and 71710 is 5140961610.

LCM(71691,71710) = 5140961610

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Least Common Multiple of 71691 and 71710 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71691 and 71710, than apply into the LCM equation.

GCF(71691,71710) = 1
LCM(71691,71710) = ( 71691 × 71710) / 1
LCM(71691,71710) = 5140961610 / 1
LCM(71691,71710) = 5140961610

Least Common Multiple (LCM) of 71691 and 71710 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71691 and 71710. First we will calculate the prime factors of 71691 and 71710.

Prime Factorization of 71691

Prime factors of 71691 are 3, 23, 1039. Prime factorization of 71691 in exponential form is:

71691 = 31 × 231 × 10391

Prime Factorization of 71710

Prime factors of 71710 are 2, 5, 71, 101. Prime factorization of 71710 in exponential form is:

71710 = 21 × 51 × 711 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 71691 and 71710.

LCM(71691,71710) = 31 × 231 × 10391 × 21 × 51 × 711 × 1011
LCM(71691,71710) = 5140961610