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