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