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