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What is the Least Common Multiple of 71857 and 71862?

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 71857 and 71862 is 5163787734.

LCM(71857,71862) = 5163787734

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Least Common Multiple of 71857 and 71862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71857 and 71862, than apply into the LCM equation.

GCF(71857,71862) = 1
LCM(71857,71862) = ( 71857 × 71862) / 1
LCM(71857,71862) = 5163787734 / 1
LCM(71857,71862) = 5163787734

Least Common Multiple (LCM) of 71857 and 71862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71857 and 71862. First we will calculate the prime factors of 71857 and 71862.

Prime Factorization of 71857

Prime factors of 71857 are 181, 397. Prime factorization of 71857 in exponential form is:

71857 = 1811 × 3971

Prime Factorization of 71862

Prime factors of 71862 are 2, 3, 7, 29, 59. Prime factorization of 71862 in exponential form is:

71862 = 21 × 31 × 71 × 291 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 71857 and 71862.

LCM(71857,71862) = 1811 × 3971 × 21 × 31 × 71 × 291 × 591
LCM(71857,71862) = 5163787734