# 0.prime\_division

**URL:** <https://www.ruby-forum.com/t/0-prime-division/63620>\
**Category:** Development\
**Created:** [June 16, 2006, 7:10pm UTC](https://www.ruby-forum.com/t/0-prime-division/63620 "2006-06-16T19:10:37Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/77aa72/32.png) [@Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/u/Kazuhiro_NISHIYAMA)\
**Post date:** [June 16, 2006, 7:10pm UTC](https://www.ruby-forum.com/t/0-prime-division/63620/1 "2006-06-16T19:10:37Z")

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e$B@\>;3OB9-$G$9!#e(B

ruby -v -r mathn -e ‘0.prime\_division’  
e$B$,L58B%k!\<%W$KF~$C$F$7$^$C$F$+$($C$F$3$J$$$h$&$K8+$($^$9!#e(B

e$BBP1~$7$F$$$J$$$N$J$i!"2?$+Nc30$K$J$C$?J}$,e(B  
e$BNI$$$N$G$O$J$$$G$7$g$&$+e(B?