GCF & LCM
Greatest Common Factor
Instructions:
Find the greatest common factor of two numbers
Start Quiz
6, 9
1
2
3
4
5
6
7
8
9
.
0
-
+
–
×
÷
^
(
)
x
y
%
:
,
=
>
<
≥
≤
Clear
Submit
4, 18
1
2
3
4
5
6
7
8
9
.
0
-
+
–
×
÷
^
(
)
x
y
%
:
,
=
>
<
≥
≤
Clear
Submit
5, 15
1
2
3
4
5
6
7
8
9
.
0
-
+
–
×
÷
^
(
)
x
y
%
:
,
=
>
<
≥
≤
Clear
Submit
12, 8
1
2
3
4
5
6
7
8
9
.
0
-
+
–
×
÷
^
(
)
x
y
%
:
,
=
>
<
≥
≤
Clear
Submit
21, 9
1
2
3
4
5
6
7
8
9
.
0
-
+
–
×
÷
^
(
)
x
y
%
:
,
=
>
<
≥
≤
Clear
Submit
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