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