20 lines
294 B
Bash
20 lines
294 B
Bash
#!/usr/bin/env bash
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read num
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echo
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nums=()
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for i in `seq 2 $num`; do
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nums+=($i)
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done
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while [ -n "$nums" ]; do
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prime=${nums[0]}
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echo $prime
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nums_=()
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for elem in "${nums[@]}"; do
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[ $(( $elem % $prime )) -eq 0 ] || nums_+=($elem)
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done
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nums=(${nums_[@]})
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done
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