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