Which of the following numbers is not prime?
Choose the correct choice from the following options.
A) 50+70
B) 150 -23
C) 100+67
D) 156-7
E) 103+36
10 can be factored out of both 50 and 70. --&gt;50+70= 10*(5+7). The correct answer is 50+70.
<result>A</result>
Which of the following numbers is not prime?