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