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