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