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