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