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