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