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