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