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