Ask
your own question, for FREE!
Mathematics
67 Online
I need help on how to prove this: for all positive integers x, x^2+x+41 is a prime.
Still Need Help?
Join the QuestionCove community and study together with friends!
this is not true
take x=40
40^2 + 40 + 41 = 1681
1681 = 41^2
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!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
girlypop:
here's another daily bible verse for my believers :> "Do not be anxious about anything, but in every situation, by prayer and petition, with thanksgiving, l
gingy57016:
I love you so much I will wait no matter how long it takes I want you to get better I want to officially call you mine again I just have to wait 13:47pm 3.
Breathless:
Welcome back to another Question of the day! for health! What Foods give the most
8u:
The weekend It was 5 am in the morning we were still awake i didn't say much i ju
korbie:
Heavenly cursed and heavily sinned I No more i like to add them, so, I want to die And I want to become a holy ghost Whom the people would like the most.
CriminalilticFools:
Is happiness real, Or just a way to give life meaning? What is the purpose If, in the end, everyone is leaving? We leave behind ashes, But while we breathe,
8u:
In a world so vast, I walk alone, With shadows as my only home. Every smile I see feels so far away, But there's one heart that lights my gray.
toga:
how would you type out the sounds a llama, sheep, goat, and alpaca make? I am ask
59 minutes ago
4 Replies
2 Medals
44 minutes ago
7 Replies
3 Medals
55 minutes ago
7 Replies
4 Medals
1 hour ago
5 Replies
1 Medal
12 hours ago
8 Replies
1 Medal
4 hours ago
8 Replies
1 Medal
4 hours ago
9 Replies
1 Medal
4 hours ago
6 Replies
0 Medals