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What is the Least Common Multiple of 75842 and 75858?

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 75842 and 75858 is 2876611218.

LCM(75842,75858) = 2876611218

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Least Common Multiple of 75842 and 75858 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75842 and 75858, than apply into the LCM equation.

GCF(75842,75858) = 2
LCM(75842,75858) = ( 75842 × 75858) / 2
LCM(75842,75858) = 5753222436 / 2
LCM(75842,75858) = 2876611218

Least Common Multiple (LCM) of 75842 and 75858 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75842 and 75858. First we will calculate the prime factors of 75842 and 75858.

Prime Factorization of 75842

Prime factors of 75842 are 2, 13, 2917. Prime factorization of 75842 in exponential form is:

75842 = 21 × 131 × 29171

Prime Factorization of 75858

Prime factors of 75858 are 2, 3, 47, 269. Prime factorization of 75858 in exponential form is:

75858 = 21 × 31 × 471 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 75842 and 75858.

LCM(75842,75858) = 21 × 131 × 29171 × 31 × 471 × 2691
LCM(75842,75858) = 2876611218