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