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