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