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