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