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