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