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