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