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What is the Least Common Multiple of 71865 and 71881?

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 71865 and 71881 is 5165728065.

LCM(71865,71881) = 5165728065

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Least Common Multiple of 71865 and 71881 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71865 and 71881, than apply into the LCM equation.

GCF(71865,71881) = 1
LCM(71865,71881) = ( 71865 × 71881) / 1
LCM(71865,71881) = 5165728065 / 1
LCM(71865,71881) = 5165728065

Least Common Multiple (LCM) of 71865 and 71881 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71865 and 71881. First we will calculate the prime factors of 71865 and 71881.

Prime Factorization of 71865

Prime factors of 71865 are 3, 5, 1597. Prime factorization of 71865 in exponential form is:

71865 = 32 × 51 × 15971

Prime Factorization of 71881

Prime factors of 71881 are 71881. Prime factorization of 71881 in exponential form is:

71881 = 718811

Now multiplying the highest exponent prime factors to calculate the LCM of 71865 and 71881.

LCM(71865,71881) = 32 × 51 × 15971 × 718811
LCM(71865,71881) = 5165728065