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