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