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