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