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