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