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