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