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