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