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