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