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