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