回複：關於素數的題目求助

來源: 於 2010-04-10 05:14:37 [舊帖] [給我悄悄話] 本文已被閱讀：次

If the difference between two whole numbers is one, the two numbers must be two consecutive numbers with one is even and the other is odd. The only even prime is 2, and 2 & 3 are two consective numbers and both are prime numbers.