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