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