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