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