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