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