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