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