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