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