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