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