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