Prime numbers Flashcards
1
Q
What are the four prime numbers below 10?
A
2, 3, 5, 7
2
Q
What are the four prime numbers between 10 and 20?
A
11, 13, 17, 19
3
Q
What are the two prime numbers between 20 and 30?
A
23, 29
4
Q
What are the four prime numbers between 30 and 40?
A
31, 37, 41, 43, 47
5
Q
What are the prime numbers from 50+?
A
53, 59, 61, 67, 71, 73, 79, 83, 89 and 97.
6
Q
What are NOT prime numbers?
A
1, 57, 87, 91 or 93
7
Q
What is a prime number?
A
Prime numbers are the numbers that are bigger than one and cannot be divided evenly by any other number except 1 and itself.
