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