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