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