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