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