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