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