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