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