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