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