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