Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {23, 12, 13, 2, 5, 9} → ______
- Prime numbers in {13, 3, 11, 8, 15, 29} → ______
- Prime numbers in {13, 2, 21, 29, 25, 5} → ______
- Prime numbers in {7, 3, 29, 5, 8, 12} → ______
- Prime numbers in {5, 11, 7, 3, 2, 29} → ______
- Prime numbers in {8, 13, 11, 5, 2, 27} → ______
- Prime numbers in {8, 11, 13, 27, 9, 5} → ______
- Prime numbers in {5, 7, 27, 8, 13, 17} → ______
- Prime numbers in {13, 12, 21, 3, 23, 11} → ______
- Prime numbers in {23, 2, 3, 7, 29, 27} → ______
- Prime numbers in {19, 15, 8, 17, 23, 9} → ______
- Prime numbers in {11, 23, 21, 27, 12, 25} → ______
- Prime numbers in {9, 2, 11, 29, 3, 19} → ______
- Prime numbers in {3, 15, 9, 11, 13, 17} → ______
- Prime numbers in {9, 19, 13, 27, 8, 5} → ______
- Prime numbers in {7, 19, 21, 13, 12, 23} → ______
- Prime numbers in {9, 17, 23, 29, 25, 13} → ______
- Prime numbers in {8, 11, 7, 5, 29, 21} → ______
- Prime numbers in {2, 23, 21, 29, 19, 11} → ______
- Prime numbers in {8, 25, 29, 19, 17, 21} → ______