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