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Practice >>
Sixth Grade >>
Numbers: Prime and composite numbers

Choose the composite numbers less than 20.

6, 8, 9, 12, 15, 16

1, 2, 3, 5, 7, 11, 13, 17, 19

1, 2, 3, 5, 7, 13, 17

4, 6, 8, 9, 10, 12, 14, 15, 16, 18

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