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What is the Least Common Multiple of 28865 and 28869?

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 28865 and 28869 is 833303685.

LCM(28865,28869) = 833303685

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Least Common Multiple of 28865 and 28869 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28865 and 28869, than apply into the LCM equation.

GCF(28865,28869) = 1
LCM(28865,28869) = ( 28865 × 28869) / 1
LCM(28865,28869) = 833303685 / 1
LCM(28865,28869) = 833303685

Least Common Multiple (LCM) of 28865 and 28869 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28865 and 28869. First we will calculate the prime factors of 28865 and 28869.

Prime Factorization of 28865

Prime factors of 28865 are 5, 23, 251. Prime factorization of 28865 in exponential form is:

28865 = 51 × 231 × 2511

Prime Factorization of 28869

Prime factors of 28869 are 3, 9623. Prime factorization of 28869 in exponential form is:

28869 = 31 × 96231

Now multiplying the highest exponent prime factors to calculate the LCM of 28865 and 28869.

LCM(28865,28869) = 51 × 231 × 2511 × 31 × 96231
LCM(28865,28869) = 833303685