Is My K-Map for Prime Numbers Correct?

[mr_coffee]

Hello everyone, here is my k-map of the truth table for prime numbers, if its a prime number it should output 1. I have the truth table and k-map in this picture:
http://img226.imageshack.us/img226/568/jiji4uh.jpg
Thanks.

 

[Janus]

There is a problem with the third term of your answer.

 

[Kenneth Mann]

I can't read your figure.

KM

 

[mr_coffee]

sorry here is the picture bigger! i don't see how my third term is wrong? http://img132.imageshack.us/img132/9960/lastscan2rz.jpg

 

[Janus]

sorry here is the picture bigger! i don't see how my third term is wrong? http://img132.imageshack.us/img132/9960/lastscan2rz.jpg

you looped `A`BCD and A`BCD, so how did you end up with A`BCD?

 

[mr_coffee]

hm...I only looped A'B & CD so i got A'BCD

 

[mr_coffee]

ohhh i see where i ****ed up, sorry! my friend pointed it out also! too much coffee or somthing. :)

 

[Dude]

reply

Hello everyone, here is my k-map of the truth table for prime numbers, if its a prime number it should output 1. I have the truth table and k-map in this picture:
http://img226.imageshack.us/img226/568/jiji4uh.jpg
Thanks.

Hello Mr Coffe...i find some mistake in the third term...it would be B'CD but not AB'CD...