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