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