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