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How to list all the prime factor?

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November 2nd, 2006 mysurface Posted in Calculation, cut, factor | Hits: 10096 |

Are you thinking of using c/c++ or bash script to do that? Don’t do that, linux have ready made command. Its call factor.

Let say I want to list the prime factor for 232.

factor 232

The result will be 

232: 2 2 2 29

What if I want only the factor with the “232:” ? We can use cut with -complement.

factor 232 | cut -f1 -d" " --complement

By specifying -f1 -d” “, it suppose to extract column 1, but because I ask it for complement, I get this:

2 2 2 29
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