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