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