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