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What is the Least Common Multiple of 71763 and 71781?

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 71763 and 71781 is 1717073301.

LCM(71763,71781) = 1717073301

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Least Common Multiple of 71763 and 71781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71763 and 71781, than apply into the LCM equation.

GCF(71763,71781) = 3
LCM(71763,71781) = ( 71763 × 71781) / 3
LCM(71763,71781) = 5151219903 / 3
LCM(71763,71781) = 1717073301

Least Common Multiple (LCM) of 71763 and 71781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71763 and 71781. First we will calculate the prime factors of 71763 and 71781.

Prime Factorization of 71763

Prime factors of 71763 are 3, 19, 1259. Prime factorization of 71763 in exponential form is:

71763 = 31 × 191 × 12591

Prime Factorization of 71781

Prime factors of 71781 are 3, 71, 337. Prime factorization of 71781 in exponential form is:

71781 = 31 × 711 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 71763 and 71781.

LCM(71763,71781) = 31 × 191 × 12591 × 711 × 3371
LCM(71763,71781) = 1717073301