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