Badge
| Nice Answer | Answer score of 10 or more. This badge can be awarded multiple times. |
JSchlather earned this badge 7 times |
dec 20 at 22:49
Paul Erdos's Two-Line Functional Analysis Proof
mar 22 '12 at 23:17
Is there any number greater than 8 of the form $2^{2k+1}$ which is the sum of a prime and a safe prime?
sep 20 '11 at 5:16
Can you answer my son's fourth-grade homework question: Which numbers are prime, have digits adding to ten and have a three in the tens place?
may 25 '11 at 12:33
Non-associative, non-commutative binary operation with a identity
