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