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