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