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