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