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