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