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