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