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