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