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