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