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