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