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