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