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