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