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