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