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