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