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