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