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