WorksheetsPrime ,Composite Numbers
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What Are Composite & prime Numbers?
a)
A prime number is a whole number that only has two factors which are itself and one. A composite number has factors in addition to one and itself. The numbers 0 and 1 are neither prime nor composite. All even numbers are divisible by two and so all even numbers greater than two are composite numbers.
b)
Don't Know
2.
Prime numbers have:
a)
Exactly 2 factors
b)
2 pairs of factors
c)
More than 2 factors
d)
1 factor
3.
Composite numbers:
a)
Are always bigger than prime numbers
b)
Have more than 2 factors
c)
Have 2 pairs of factors
d)
Don't have factors
4.
Find the prime number
a)
10
b)
9
c)
7
d)
4
5.
which number is composite
a)
11
11
11
b)
13
c)
21
d)
23
6.
List the first 5 numbers that are NOT prime numbers:
a)
4,6,7,8,9
b)
0,1,4,6,8
c)
4,6,8,10,12
d)
-1,-2,-3,-4,-5
7.
Is 29 prime or composite?
a)
Prime
b)
Composite
8.
Is 35 prime or composite?
a)
prime
b)
composite
9.
Is every single even number composite? If not, what number is prime?
a)
Yes
b)
No,16
c)
No, 2
d)
No, 2 and 4
10.
which number below is NOT prime?
a)
7
b)
4
c)
2
d)
12
100 %
