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