Question:
Which of these numbers are prime numbers: 7, 8, 9, 10, 11, 12, 13, 14?
Answer:
7, 11, 13.
Try another Brain Teaser:
You can feel it, but you can't touch it. You can hear it, but you can't see it. What is it?
Which of these numbers are prime numbers: 7, 8, 9, 10, 11, 12, 13, 14?
7, 11, 13.
You can feel it, but you can't touch it. You can hear it, but you can't see it. What is it?