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