Name : ...................
Class : ................................
GREATEST COMMON FACTOR
Find the greatest common factor.
1.
88
77
2.
36
38
3.
40
50
4.
90
82
5.
56
28
6.
44
77
7.
33
99
8.
33
21
9.
66
55
10.
49
56
11.
45
33
12.
55
22
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Find the greatest common factor.
1.
88
77
1, 2, 4, 8, 11
1, 7, 11
11
2.
36
38
1, 2
1, 2
2
3.
40
50
1, 2, 4, 5, 8, 10
1, 2, 5, 10
10
4.
90
82
1, 2
1, 2
2
5.
56
28
1, 2, 4, 7, 8, 14, 28
1, 2, 4, 7, 14, 28
28
6.
44
77
1, 2, 4, 11
1, 7, 11
11
7.
33
99
1, 3, 11, 33
1, 3, 9, 11, 33
33
8.
33
21
1, 3
1, 3
3
9.
66
55
1, 2, 3, 6, 11
1, 5, 11
11
10.
49
56
1, 7
1, 2, 4, 7
7
11.
45
33
1, 3
1, 3
3
12.
55
22
1, 5, 11
1, 2, 11
11
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