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