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