Answer:
A factor that is a prime number. In other words: any of the prime numbers that can be multiplied to give the original number. Example: The prime factors of 15 are 3 and 5 (because 3×5=15, and 3 and 5 are prime numbers).
12
Step-by-step explanation:
Just add 4 more to 8 and you get 12
I believe it's 24
because 2+1 is 3 and then 3 times 8 is 24
x=-5/7