A prime number is a number that can only be divided by 1 and by itzelf. Examples are 2, 3, 5, 7, 11, 13 and so on. You can find the first 1000 prime numbers here.
Now here is a quicky: write 1000 as the sum of as many different primes as possible.
You can check your solutions here
A new puzzle is posted every friday. You are welcome to comment on the puzzles. Solutions are added at the bottom of a puzzle after one or more weeks.