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