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