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