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