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 {5, 13, 19, 2, 29, 17} → ______
- Prime numbers in {11, 19, 7, 5, 27, 13} → ______
- Prime numbers in {29, 19, 12, 3, 11, 13} → ______
- Prime numbers in {3, 15, 25, 7, 5, 8} → ______
- Prime numbers in {21, 9, 13, 23, 8, 29} → ______
- Prime numbers in {3, 13, 8, 9, 21, 25} → ______
- Prime numbers in {13, 21, 9, 12, 5, 29} → ______
- Prime numbers in {2, 11, 12, 8, 23, 27} → ______
- Prime numbers in {13, 11, 15, 12, 19, 21} → ______
- Prime numbers in {21, 3, 5, 11, 9, 17} → ______
- Prime numbers in {19, 12, 7, 23, 15, 8} → ______
- Prime numbers in {19, 23, 8, 11, 12, 7} → ______
- Prime numbers in {8, 17, 23, 11, 5, 19} → ______
- Prime numbers in {11, 27, 17, 25, 8, 2} → ______
- Prime numbers in {3, 19, 13, 17, 29, 9} → ______
- Prime numbers in {27, 17, 9, 29, 12, 8} → ______
- Prime numbers in {27, 21, 11, 19, 15, 3} → ______
- Prime numbers in {23, 2, 29, 7, 15, 3} → ______
- Prime numbers in {11, 15, 25, 13, 19, 29} → ______
- Prime numbers in {7, 17, 15, 29, 12, 5} → ______