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