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