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