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