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