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