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