Can u tell?

[chandni24]

Is there some data type which can store integers larger than long long int like 100!?

[hamsterman]

http://en.wikipedia.org/wiki/Arbitrary-precision_arithmetic

[Duthomhas]

I recommend the GNU MP Bignum Library
http://gmplib.org/

Hope this helps.

[chandni24]

Sorry Duoas,
But could u help me more as I could not find something useful in here.

[sansinfo2008]

Here is website which is providing free source codes in C and C++
<a href='http://www.planetsourcecode.in'>free source codes</a>

[Duthomhas]

I gave you a link to an industry-standard bignum library, in use by unending numbers of people both professional and hobbyist, replete with full documentation and examples, and you "could not find something useful"?