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Math Problems
Grade 6
Greatest common factor of three or four numbers
What is the greatest common factor of
15
15
15
,
6
6
6
, and
9
9
9
?
\newline
____
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What is the greatest common factor of
20
20
20
,
14
14
14
, and
10
10
10
?
\newline
_____
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What is the greatest common factor of
10
10
10
,
6
6
6
, and
14
14
14
?
\newline
_____
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What is the greatest common factor of
4
4
4
,
8
8
8
, and
10
10
10
?
\newline
____
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What is the greatest common factor of
6
6
6
,
9
9
9
, and
12
12
12
?
\newline
____
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What is the greatest common factor of
10
10
10
,
15
15
15
, and
20
20
20
?
\newline
_____
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What is the greatest common factor of
8
8
8
,
20
20
20
, and
12
12
12
?
\newline
_____
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What is the greatest common factor of
8
8
8
,
20
20
20
, and
14
14
14
?
\newline
_____
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What is the greatest common factor of
12
12
12
,
16
16
16
, and
14
14
14
?
\newline
_____
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What is the greatest common factor of
18
18
18
,
20
20
20
, and
4
4
4
?
\newline
____
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What is the greatest common factor of
18
18
18
,
4
4
4
, and
10
10
10
?
\newline
____
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What is the greatest common factor of
6
6
6
,
12
12
12
, and
14
14
14
?
\newline
_____
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What is the greatest common factor of
16
16
16
,
20
20
20
, and
8
8
8
?
\newline
____
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What is the greatest common factor of
18
18
18
,
6
6
6
, and
9
9
9
?
\newline
_____
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What is the greatest common factor of
14
14
14
,
4
4
4
, and
8
8
8
?
\newline
____
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What is the greatest common factor of
9
9
9
,
12
12
12
, and
15
15
15
?
\newline
____
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What is the greatest common factor of
4
4
4
,
18
18
18
, and
8
8
8
?
\newline
____
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What is the greatest common factor of
12
12
12
,
16
16
16
, and
20
20
20
?
\newline
____
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What is the greatest common factor of
18
18
18
,
16
16
16
, and
14
14
14
?
\newline
____
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What is the greatest common factor of
12
12
12
,
8
8
8
, and
16
16
16
?
\newline
____
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Find the least square number which is exactly divisible by each of the numbers :
8
8
8
,
12
12
12
,
15
15
15
,and
20
20
20
.
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3
3
3
out of
5
5
5
is equivalent to which of the following percent values?
\newline
Choose
1
1
1
answer:
\newline
(A)
15
%
15 \%
15%
\newline
(B)
30
%
30 \%
30%
\newline
(C)
40
%
40 \%
40%
\newline
(D)
60
%
60 \%
60%
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Find the greatest common factor of
44
44
44
,
12
12
12
, and
28
28
28
.
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Find the greatest common factor of
7
7
7
,
15
15
15
, and
21
21
21
.
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Find the greatest common factor of
18
18
18
,
36
36
36
, and
45
45
45
.
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Find the greatest common factor of
10
10
10
,
30
30
30
, and
45
45
45
.
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What is the greatest common factor of
54
z
3
,
18
z
54 z^{3}, 18 z
54
z
3
,
18
z
, and
36
z
2
36 z^{2}
36
z
2
?
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What is the greatest common factor of
3
x
4
,
15
x
3
3 x^{4}, 15 x^{3}
3
x
4
,
15
x
3
, and
21
x
2
21 x^{2}
21
x
2
?
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Find the greatest common factor of
8
8
8
,
18
18
18
, and
70
70
70
.
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Find the greatest common factor of
50
50
50
,
25
25
25
, and
100
100
100
.
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What is the greatest common factor of
8
m
2
,
4
m
8 m^{2}, 4 m
8
m
2
,
4
m
, and
10
m
4
10 m^{4}
10
m
4
?
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What is the greatest common factor of
60
w
,
36
w
2
60 \mathrm{w}, 36 w^{2}
60
w
,
36
w
2
, and
24
w
4
24 w^{4}
24
w
4
?
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What is the greatest common factor of
35
y
4
,
14
y
4
35 y^{4}, 14 y^{4}
35
y
4
,
14
y
4
, and
63
y
4
63 y^{4}
63
y
4
?
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Find the greatest common factor of
75
75
75
,
8
8
8
, and
21
21
21
.
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Find the greatest common factor of
110
110
110
,
40
40
40
, and
120
120
120
.
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What is the greatest common factor of
6
a
,
8
a
2
6 a, 8 a^{2}
6
a
,
8
a
2
, and
14
14
14
?
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Find the greatest common factor of
16
16
16
,
27
27
27
, and
20
20
20
.
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What is the greatest common factor of
30
b
2
,
80
b
2
30 b^{2}, 80 b^{2}
30
b
2
,
80
b
2
, and
20
b
3
20 b^{3}
20
b
3
?
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What is the greatest common factor of
20
a
2
,
12
a
2
20 a^{2}, 12 a^{2}
20
a
2
,
12
a
2
, and
8
a
8 a
8
a
?
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What is the greatest common factor of
44
c
5
,
22
c
3
44 c^{5}, 22 c^{3}
44
c
5
,
22
c
3
, and
11
c
4
11 c^{4}
11
c
4
?
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What is the greatest common factor of
14
c
3
,
70
c
4
14 c^{3}, 70 c^{4}
14
c
3
,
70
c
4
, and
28
c
2
28 c^{2}
28
c
2
?
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What is the greatest common factor of
35
b
2
,
15
b
3
35 b^{2}, 15 b^{3}
35
b
2
,
15
b
3
, and
5
b
5 b
5
b
?
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Find the greatest common factor of
56
56
56
,
28
28
28
, and
14
14
14
.
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Find the greatest common factor of
42
42
42
,
28
28
28
, and
70
70
70
.
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What is the greatest common factor of
15
n
5
,
30
n
3
15 n^{5}, 30 n^{3}
15
n
5
,
30
n
3
, and
45
n
2
45 n^{2}
45
n
2
?
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