Question

Two consecutive integers m and n are prime numbers. Which of the following is equal to mn ?

Answer 1

Try to think. Can two consecutive numbers be prime?

Answer 2

Hint: if one is even, then the other is odd and vice versa.

Answer 3

yes

Answer 4

How can two consecutive numbers be prime? Where?

Answer 5

thn no

Answer 6

1
2
6
9
15

Answer 7

How do you know that they can't be prime?

Answer 8

And are you sure?

Answer 9

Is there an even prime?

Answer 10

no