it is 17 million digits number, 257.885.161-1
There is no biggest prime number: they go on for ever.
2 multiplied by itself 57,885,161 times, less one.
Space.
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.
No.
No one has ever discovered the mathematical pattern for prime numbers and all that is known about them is that each prime number has only 2 factors which are itself and one.
The biggest cougar ever discovered weighed 270 pounds
No.
Just the number 2. #2 is even and prime.
No.
NO. 2 is the only even prime number.
the smallest dinosaur ever discovered so far is the compsongnathus this animal lived in the Jurassic period and the largest dinosaur ever discovered is argentinosaurus it weight 100 tons!!!!