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