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