$3$ is the factor of $237$ because $3 \times79 = 237$; $7$ is the factor of $301$ because $7 \times 43 = 301$. 
Which of the following numbers are prime numbers?  $137$~ ~ ~ ~ ~ ~ ~ ~ ~$151$~ ~ ~ ~ ~ ~ ~ ~ ~$237$~ ~ ~ ~ ~ ~ ~ ~ ~$301$ 

* $137$ and $237$ 
* $137$ and $301$ 
* $237$ and $301$ 
* $137$ and $151$ 