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