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