The smallest prime number is……….
a) 4
b) 2
c) 3
d) 5
The largest composite number less than 40 is
a) 31
b) 37
c) 33
d) 39
The largest prime number less than 20 is
a) 16
b) 15
c) 19
d) 18
The numbers that have only two factors and are different from each other are called……..
a) Odd numbers
b) Prime numbers
c) Composite numbers
d) Even numbers
………is neither nether prime nor composite?
a) 1
b) 4
c) 7
d) 9
Which number is prime?
a) 9
b) 5
c) 15
d) 1
