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Worksheetsprime numbers and mulitpls
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
is 6 a prime number
a)
yes
b)
no
2.
is 7 a prime number
a)
yes
b)
no
3.
is 122 a prime number
a)
yes
b)
no
4.
is 4 a prime number
a)
yes
b)
no
5.
is 5 a prime number
a)
yes
b)
no
6.
is 10 a prime number
a)
yes
b)
no
7.
is 13 a prime number
a)
yes
b)
no
8.
is 8 a prime number
a)
yes
b)
no
9.
is 16 a prime number
a)
yes
b)
no
10.
is 17 a prime number
a)
yes
b)
no
11.
19 is a prime number
a)
true
b)
false
12.
is 18 a composite number
a)
yes
b)
no
13.
is 264 a prime number
a)
yes
b)
no
14.
is 1224 a prime number
a)
yes
b)
no
15.
is 204 is composite number
a)
yes
b)
no
16.
what is the prime factorization of 32
a)
2 to the 5th
b)
5 to the 2nd
17.
what is the prime factorization of 81
a)
4 to the 4th
b)
3 to the 4th
18.
what is the prime factorization of 64
a)
2 to the 6th
b)
5 to the 6th
19.
what is the prime factorization of 78
a)
7 x 39
b)
6 x 28
20.
is 1005 prime or composite
a)
no
b)
yes
21.
is 1005 dividable by...
a)
1 and 5
b)
nothing
c)
1,2,3,4,6,9
d)
1,3,5,8,0
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