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