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