sieve of Eratosthenes
noun phrase
sieve of Er·a·tos·the·nes -ˌer-ə-ˈtäs-thə-ˌnēz 
: a procedure for finding prime numbers that involves writing down the odd numbers from 2 up in succession and crossing out every third number after 3, every fifth after 5 including those already crossed out, every seventh after 7, and so on with the numbers that are never crossed out being prime
Word History
First Known Use
1803, in the meaning defined above
- seeing about
- seeing after
- seeing around
- seeing as
- seeing as how
- Seeing Eye
- seeing eye to eye
- seeing glass
- seeing in
- seeing in something or someone
- seeing is believing
- seeing off
- seeing out
- seeing over
- seeing red
- seeing round
- seeing someone around
- seeing something in
- seeing something in something or someone
- seeing that
- seeing to
- seeings
- seek
- seek (out)
- seek compensation