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