If the prime number "a" is larger than 10^5 what is the sum of the multiples of a? This is a math Olympiad question.
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Surely it would be infinity...
The answers do not include infinty...it's multiple choice.
The answers are one of the following:
I need to know which answer with proof.
er...it's actually the sum of the common denominators not the multiples..my bad.
As stated, I would find:
Do you mean the sum of the divisors?
please clarify your question, sum of divisors of a prime number would be no sense, and the multiples of every number go to infinity.Are you sure that's the question?
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