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