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