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