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