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