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