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