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