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