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