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