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