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**jacks****Member**- Registered: 2012-11-21
- Posts: 126

The no. of positive divisers of

which are is in the form of whereOffline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 105,355

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.****No great discovery was ever made without a bold guess. **

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**jacks****Member**- Registered: 2012-11-21
- Posts: 126

Yes Bobbym as usual you are always Right.

Would You like to explain it to me how can i tackle these type of Questions

Thanks

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 105,355

We can put it into the form of the other question because it is easy to factor but what if the number were something that was not?

A math method from here I do not know and have not yet found in any references. I just computed the divisors and performed a mod 5 on them.

*Last edited by bobbym (2013-02-27 05:36:05)*

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.****No great discovery was ever made without a bold guess. **

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