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