31 37 41 43 47.
31 37
23 29.
31 is prime. ■
There are infinitely many prime numbers which are greater than 30.
51
23, 29
There are no prime numbers greater than 10 that add up to 29. Since all prime numbers greater than 2 are odd numbers, no two prime numbers greater than 2 can have an even number for their sum.
Composite. All positive, whole numbers greater than two and ending in 0, 2, 4, 6 or 8 are composite.
No. Prime numbers cannot be composite and composite numbers cannot be prime!
There are more composite numbers than prime numbers, but there is no prime or composite number so great that you can't find a greater one of either kind.
2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101
Even numbers greater than 2 are not prime.