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