Ask your own question, for FREE!
Mathematics 19 Online
OpenStudy (zyberg):

Find all primes p, such that p^2 + 8 is a prime as well.

OpenStudy (zyberg):

\[p^2 +8\]

OpenStudy (zyberg):

So far I have found 3.

OpenStudy (zyberg):

(I mean, 3 as a prime)

OpenStudy (prathamesh_m):

7 also right?

OpenStudy (zyberg):

You are right!

OpenStudy (prathamesh_m):

what about 11?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!