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