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