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