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