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