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