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