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