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