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