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What is the Least Common Multiple of 28842 and 28858?

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 28842 and 28858 is 416161218.

LCM(28842,28858) = 416161218

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Least Common Multiple of 28842 and 28858 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28842 and 28858, than apply into the LCM equation.

GCF(28842,28858) = 2
LCM(28842,28858) = ( 28842 × 28858) / 2
LCM(28842,28858) = 832322436 / 2
LCM(28842,28858) = 416161218

Least Common Multiple (LCM) of 28842 and 28858 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28842 and 28858. First we will calculate the prime factors of 28842 and 28858.

Prime Factorization of 28842

Prime factors of 28842 are 2, 3, 11, 19, 23. Prime factorization of 28842 in exponential form is:

28842 = 21 × 31 × 111 × 191 × 231

Prime Factorization of 28858

Prime factors of 28858 are 2, 47, 307. Prime factorization of 28858 in exponential form is:

28858 = 21 × 471 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 28842 and 28858.

LCM(28842,28858) = 21 × 31 × 111 × 191 × 231 × 471 × 3071
LCM(28842,28858) = 416161218