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