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