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What is the Least Common Multiple of 71810 and 71827?

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 71810 and 71827 is 5157896870.

LCM(71810,71827) = 5157896870

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Least Common Multiple of 71810 and 71827 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71810 and 71827, than apply into the LCM equation.

GCF(71810,71827) = 1
LCM(71810,71827) = ( 71810 × 71827) / 1
LCM(71810,71827) = 5157896870 / 1
LCM(71810,71827) = 5157896870

Least Common Multiple (LCM) of 71810 and 71827 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71810 and 71827. First we will calculate the prime factors of 71810 and 71827.

Prime Factorization of 71810

Prime factors of 71810 are 2, 5, 43, 167. Prime factorization of 71810 in exponential form is:

71810 = 21 × 51 × 431 × 1671

Prime Factorization of 71827

Prime factors of 71827 are 7, 31, 331. Prime factorization of 71827 in exponential form is:

71827 = 71 × 311 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 71810 and 71827.

LCM(71810,71827) = 21 × 51 × 431 × 1671 × 71 × 311 × 3311
LCM(71810,71827) = 5157896870