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