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