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What is the Least Common Multiple of 75829 and 75842?

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 75829 and 75842 is 442386386.

LCM(75829,75842) = 442386386

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Least Common Multiple of 75829 and 75842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75829 and 75842, than apply into the LCM equation.

GCF(75829,75842) = 13
LCM(75829,75842) = ( 75829 × 75842) / 13
LCM(75829,75842) = 5751023018 / 13
LCM(75829,75842) = 442386386

Least Common Multiple (LCM) of 75829 and 75842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75829 and 75842. First we will calculate the prime factors of 75829 and 75842.

Prime Factorization of 75829

Prime factors of 75829 are 13, 19, 307. Prime factorization of 75829 in exponential form is:

75829 = 131 × 191 × 3071

Prime Factorization of 75842

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

75842 = 21 × 131 × 29171

Now multiplying the highest exponent prime factors to calculate the LCM of 75829 and 75842.

LCM(75829,75842) = 131 × 191 × 3071 × 21 × 29171
LCM(75829,75842) = 442386386