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