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