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