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