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