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