Problem3475--【Div2】GESP五级24MarP2-B-smooth

3475: 【Div2】GESP五级24MarP2-B-smooth

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 2Submit Num: 3Statistics

Description




Sample Input Copy 

10 3

Sample Output Copy 

7

Source/Category

Div2 GESP 数学 质数 因子 
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