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