Prime and Composite
I am a number between 10 and 20. I am not divisible by any number other than 1 and myself. What number am I?
11, 13, 17, 19
Find a pair of prime numbers that add up to 30.
7 and 23, 13 and 17
What is the smallest prime number?
2
What is the product of the smallest two-digit prime number and the largest single-digit prime number?
11 * 7 = 77
I am a prime number less than 50. When you add 2 to me, the result is also prime. Who am I?
3, 5, 11, 17, 29, 41