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