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