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