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