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