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