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