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