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