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