# Did i do this k-map right?

1. Sep 24, 2005

### 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.

2. Sep 24, 2005

### Janus

Staff Emeritus

3. Sep 24, 2005

### Kenneth Mann

KM

4. Sep 24, 2005

### mr_coffee

5. Sep 24, 2005

### Janus

Staff Emeritus
you looped ABCD and ABCD, so how did you end up with ABCD?

6. Sep 24, 2005

### mr_coffee

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

7. Sep 24, 2005

### mr_coffee

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

8. Sep 26, 2005