Contact us
Choose a category below so we can get back to you as quickly as possible.
如果一個兩位數不能被(2、3、5、7)整除,那麼這個兩位是一定是質數.∵兩位數最大是99,如果它是合數必然有小於√99=9.9..的因數!如果都是大於9的因數那麼應該是三比特(以上)的數了.∴如果一個兩位數不能被(2、3、5、…
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.