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