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