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