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