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