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