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