If we let be the greatest prime number not more than a ,then the result of the expression is ( ).A.1333 B.1999 C.2001 D.2249

问题描述:

If we let be the greatest prime number not more than a ,then the result of the expression is ( ).
A.1333 B.1999 C.2001 D.2249

D

选B,题义关键,<A>为不大于A的最大的质数