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