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What is the Least Common Multiple of 51858 and 51862?

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 51858 and 51862 is 1344729798.

LCM(51858,51862) = 1344729798

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Least Common Multiple of 51858 and 51862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51858 and 51862, than apply into the LCM equation.

GCF(51858,51862) = 2
LCM(51858,51862) = ( 51858 × 51862) / 2
LCM(51858,51862) = 2689459596 / 2
LCM(51858,51862) = 1344729798

Least Common Multiple (LCM) of 51858 and 51862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51858 and 51862. First we will calculate the prime factors of 51858 and 51862.

Prime Factorization of 51858

Prime factors of 51858 are 2, 3, 43, 67. Prime factorization of 51858 in exponential form is:

51858 = 21 × 32 × 431 × 671

Prime Factorization of 51862

Prime factors of 51862 are 2, 25931. Prime factorization of 51862 in exponential form is:

51862 = 21 × 259311

Now multiplying the highest exponent prime factors to calculate the LCM of 51858 and 51862.

LCM(51858,51862) = 21 × 32 × 431 × 671 × 259311
LCM(51858,51862) = 1344729798