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