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