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