Answer:
If you like my answer than please mark me brainliest thanks. A prime number is never multiple of any number it is always multiple of itself and 1 . But your answer is 29 itself
 
        
             
        
        
        
Answer:
Ishaan is now 6.
Step-by-step explanation:
If Ben is 12 years older, and you have the info that <em>three</em> years ago, he was <em>4 </em>times as old, then all you have to do is divide 12 by 4, giving you 3. You add 3 to that because it's been three years. You have your answer of 6.
Hope this helps! :)
 
        
             
        
        
        
There are a lot of numbers you can think of, for example, 1030, or even 9939, but I don't recommend you put that ;)
        
                    
             
        
        
        
Your proof is correct and very well done