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