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