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What is the Least Common Multiple of 71816 and 71829?

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 71816 and 71829 is 5158471464.

LCM(71816,71829) = 5158471464

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Least Common Multiple of 71816 and 71829 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71816 and 71829, than apply into the LCM equation.

GCF(71816,71829) = 1
LCM(71816,71829) = ( 71816 × 71829) / 1
LCM(71816,71829) = 5158471464 / 1
LCM(71816,71829) = 5158471464

Least Common Multiple (LCM) of 71816 and 71829 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71816 and 71829. First we will calculate the prime factors of 71816 and 71829.

Prime Factorization of 71816

Prime factors of 71816 are 2, 47, 191. Prime factorization of 71816 in exponential form is:

71816 = 23 × 471 × 1911

Prime Factorization of 71829

Prime factors of 71829 are 3, 23, 347. Prime factorization of 71829 in exponential form is:

71829 = 32 × 231 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 71816 and 71829.

LCM(71816,71829) = 23 × 471 × 1911 × 32 × 231 × 3471
LCM(71816,71829) = 5158471464