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