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