There is no biggest prime number.The largest prime known at present is 243112609 - 1, a number with nearly 13 million decimal digits. It was verified by the Great Internet Mersenne Prime Search on August 23, 2008.For more information about record prime numbers, see the related link.Since we know there is no biggest number, there is no reason to believe there is such a restriction on Prime Numbers.
There is no biggest prime number: they go on for ever.
997 is the biggest 3 digit prime number.
257,885,161 -1 as of 2013. New primes are being calculated all the time, so this will change as new and larger ones are discovered. Also, note that there are infinitely many primes (proved by Euclid around 300 BCE), so there won't ever be a single "highest" prime, only the highest one known.
On Jan. 25, 2013, the largest known prime number, 2^57,885,161-1, was discovered on Great Internet Mersenne Prime Search (GIMPS) volunteer Curtis Cooper's computer.
-1 isn't prime.
"Biggest" is a superlative term and so, unless otherwise qualified, there can be only one "biggest".The biggest prime number (not numbers) lower than 100 is (not are) 97.
997 is the biggest 3 digit Prime number.
No. Euler roved that there are an infinite amount of prime numbers.
Five.
2 is.
Its the biggest out of all that you pay.