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