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