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