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