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