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