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