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What is the Least Common Multiple of 71845 and 71864?

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 71845 and 71864 is 5163069080.

LCM(71845,71864) = 5163069080

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Least Common Multiple of 71845 and 71864 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71845 and 71864, than apply into the LCM equation.

GCF(71845,71864) = 1
LCM(71845,71864) = ( 71845 × 71864) / 1
LCM(71845,71864) = 5163069080 / 1
LCM(71845,71864) = 5163069080

Least Common Multiple (LCM) of 71845 and 71864 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71845 and 71864. First we will calculate the prime factors of 71845 and 71864.

Prime Factorization of 71845

Prime factors of 71845 are 5, 14369. Prime factorization of 71845 in exponential form is:

71845 = 51 × 143691

Prime Factorization of 71864

Prime factors of 71864 are 2, 13, 691. Prime factorization of 71864 in exponential form is:

71864 = 23 × 131 × 6911

Now multiplying the highest exponent prime factors to calculate the LCM of 71845 and 71864.

LCM(71845,71864) = 51 × 143691 × 23 × 131 × 6911
LCM(71845,71864) = 5163069080